"For twelve days, the assassin eluded the largest manhunt in American history."— Chasing Lincoln's Killer
A complete guide — from plot summary through symbolism to examination technique.
— ✦ —Chasing Lincoln's Killer opens in the final days of the Civil War with John Wilkes Booth's conspiracy already in motion. Booth, a celebrated actor and ardent Confederate sympathiser, originally planned to kidnap President Lincoln and exchange him for Confederate prisoners of war. When the Confederacy collapsed in April 1865, he pivoted to assassination. His plan was audacious and coordinated: on the night of April 14, 1865, Booth would kill Lincoln at Ford's Theatre while his co-conspirators Lewis Powell would attack Secretary of State William Seward at his home, and George Atzerodt would assassinate Vice President Andrew Johnson. The simultaneous strikes were designed to decapitate the Union government and plunge the North into chaos. Swanson establishes Booth not as a lone madman but as the leader of a small, ideologically motivated cell whose plan, for one night, partially succeeded.
The assassination of Abraham Lincoln on the evening of April 14, 1865, is reconstructed by Swanson with cinematic precision. Lincoln and his wife Mary Todd attended Our American Cousin at Ford's Theatre. Booth, familiar with the theatre and its layout from his acting career, moved through the building with confidence. At approximately 10:15 p.m., during a moment of audience laughter — which Booth timed deliberately to mask the sound of the shot — he entered the presidential box and fired a single .44-calibre derringer bullet into the back of Lincoln's head. Major Henry Rathbone, a guest in the box, attempted to stop Booth; Booth slashed him with a knife and leapt from the box to the stage, catching his spur on a bunting flag and fracturing a bone in his left leg as he landed. He shouted 'Sic semper tyrannis' — 'Thus always to tyrants,' the state motto of Virginia — and fled through the theatre's back exit.
The coordinated attacks produced mixed results. Lewis Powell, accompanied by David Herold, reached William Seward's home and attacked the Secretary of State in his bed, slashing him severely across the face and neck. Seward survived, saved partly by a metal neck brace he wore from a recent carriage accident. George Atzerodt, assigned to kill Vice President Johnson, lost his nerve entirely — he spent the night drinking at the Kirkwood House bar and never approached Johnson's room. The failure of two of the three attacks meant the Union's leadership structure survived, which altered both the immediate political response and the terms of the manhunt that followed. Swanson uses the conspirators' varied responses to the pressure of the night — Booth's theatrical execution, Powell's vicious determination, Atzerodt's cowardice — to characterise each figure precisely.
Booth fled Ford's Theatre on horseback, crossed into Maryland, and within hours reached the home of Dr. Samuel Mudd, a physician who set the fracture in Booth's leg. The stop at Mudd's farm — which Mudd claimed was a chance encounter with a stranger, though his prior acquaintance with Booth was later established — became one of the manhunt's most contested episodes and resulted in Mudd's conviction as a conspirator. Booth and Herold (who had abandoned Powell after the Seward attack and rejoined Booth) moved southward, hiding in the woods and seeking Confederate sympathisers willing to help them cross the Potomac River into Virginia. The journey that Booth imagined would be a triumphal escape — he expected to be celebrated in the South as a hero — proved slow, painful, and increasingly desperate.
Secretary of War Edwin Stanton effectively took command of the government's response in the hours after the assassination, directing the investigation with characteristic intensity. The manhunt Stanton organised was the largest in American history to that point: thousands of soldiers, detectives, and informants deployed across Maryland, Virginia, and Washington. The War Department issued reward posters with $100,000 in total rewards (equivalent to millions today) for Booth and his co-conspirators. Despite the scale of the operation, Booth eluded capture for twelve days — a combination of Confederate sympathisers who sheltered him, poor coordination between different units of the manhunt, and Booth's own knowledge of the border-state terrain. Swanson presents the manhunt as a race in which Booth was always slightly ahead, sustained by people whose loyalty to the Confederate cause outlasted the Confederacy itself.
Booth and Herold finally crossed the Potomac into Virginia and eventually reached the farm of Richard Garrett, who did not know Booth's identity. The tobacco barn on Garrett's farm became Booth's final refuge. On the night of April 25–26, a detachment of the 16th New York Cavalry, led by Lieutenant Edward Doherty and detectives Everton Conger and Luther Baker, surrounded the barn. Herold surrendered; Booth refused. The barn was set on fire to force him out. As Booth moved within the burning barn, Sergeant Boston Corbett, without orders, fired through a slat in the barn wall and shot Booth in the neck, severing his spinal cord — almost exactly replicating the wound Booth had inflicted on Lincoln. Booth was dragged out and died on the Garrett farmhouse porch two hours later. Swanson records his last words as 'Useless, useless.'
The aftermath of the manhunt brought the remaining conspirators to military tribunal. Powell, Atzerodt, Herold, and Mary Surratt — who had run the boarding house where the conspirators met — were convicted and hanged on July 7, 1865, in one of the first executions of a woman by the federal government. Dr. Samuel Mudd, Michael O'Laughlen, Samuel Arnold, and Edman Spangler received prison sentences. The military tribunal's legitimacy was contested — critics argued the conspirators should have been tried in civilian courts — and the question of Mary Surratt's guilt remains debated. Swanson closes the book with brief accounts of what became of the key figures, and with the specific image of Booth's death: a man who wanted to be remembered as a hero of history, dying on a farmhouse porch with the word 'useless' on his lips.
Swanson opens by establishing the historical context: the Civil War's final days, the Confederate collapse, and Booth's evolution from kidnapper to assassin. These chapters introduce the core conspirators — Booth, Powell, Herold, Atzerodt, and the Surratt household — and trace the development of the plot. Swanson's narrative technique is established from the first pages: he uses present tense for dramatic immediacy, draws on primary sources (diaries, testimony, letters), and presents the conspirators as specific people with specific motivations rather than as historical abstractions. The mood of Washington in April 1865 — celebratory, war-weary, politically unsettled — is rendered with care, providing the context against which the assassination will be experienced as a catastrophic reversal.
The book's most cinematically constructed section: the hours of April 14, 1865, from Booth's preparations through the assassination to his escape from Ford's Theatre. Swanson alternates between multiple simultaneous perspectives — Lincoln at the theatre, Booth in position, Powell approaching Seward's home, Atzerodt drinking at the Kirkwood — creating a panoramic sense of the coordinated attack. The assassination itself is rendered in slow-motion detail: Booth's movements through the theatre, the moment of the shot, the chaos that followed. The chapter covering Booth's leap from the box to the stage — the fractured leg, the shouted motto, the flight into the night — is one of the book's most gripping passages, balancing historical precision with genuine narrative propulsion.
The investigation takes shape as Stanton mobilises the War Department's resources. These chapters track two simultaneous narratives: the manhunt spreading outward from Washington, and Booth's southward flight through Maryland. Swanson introduces the key figures on both sides — the detectives and cavalry officers pursuing Booth, and the Confederate sympathisers who shelter him. Dr. Mudd's farm is a central episode: the setting of the leg, the suspicious visit, and the questions about Mudd's prior knowledge that would define his fate. Booth's diary entries from these days are excerpted, providing his own self-justifying account of his motives and his growing disillusionment as the Southern hero's welcome he expected fails to materialise.
Booth and Herold spend five days hiding in the Maryland swamp lands, unable to cross the Potomac while the manhunt's net tightened around the river crossings. These chapters are the book's most claustrophobic: the wounded Booth, increasingly feverish and in pain, sustained by Herold's loyalty and the assistance of Confederate sympathisers including Thomas Jones, who fed them for days while they hid and arranged their eventual river crossing. Jones is one of Swanson's most carefully drawn secondary figures — a man who helped Booth not out of admiration but out of residual Confederate loyalty, who later wrote his own account of the period. The section establishes the specific texture of the manhunt's cat-and-mouse dynamic: the fugitives always slightly ahead, the pursuers always slightly behind.
Booth and Herold cross the Potomac and move through Virginia, where they receive assistance from Confederate veterans and sympathisers. The final days at Garrett's farm are rendered with the tension of dramatic irony: the reader knows the cavalry is closing in while Booth does not. The barn's burning, Herold's surrender, Booth's refusal to come out, Corbett's shot — Swanson manages these events with precise pacing, neither rushing the climax nor dwelling in it sentimentally. The death scene on Garrett's porch — Booth asking to see his hands, calling them 'useless, useless' — closes the manhunt narrative. The brief epilogue covers the trial and its outcomes, grounding the dramatic story in its historical consequences.
Booth is the book's central figure and Swanson's most complex characterisation challenge: how to render a man who committed one of history's most consequential crimes without either demonising him into a cartoon villain or humanising him into a sympathetic antihero. Swanson presents Booth as a man of genuine theatrical talent and genuine political fanaticism, whose commitment to the Confederate cause outlasted the Confederacy itself. He was not a marginalised failure but a famous and successful actor who chose violence from ideological conviction. His diary entries during the manhunt reveal a man who believed he had acted heroically and was baffled by the world's failure to celebrate him — a delusion that Swanson presents with precision rather than contempt. His final words — 'useless, useless' — are the book's most devastating ironic reversal of his own self-image.
Herold is Booth's companion throughout the escape — a young, not especially intelligent man whose loyalty to Booth persisted even as the escape became desperate. He had assisted Lewis Powell at the Seward house, fled when the attack became chaotic, and rejoined Booth on the road south. His loyalty is presented by Swanson as genuine but unthinking — he followed Booth without the ideological conviction that motivated Booth himself, which makes his eventual hanging as a co-conspirator one of the book's most morally complex moments. He surrendered at Garrett's barn while Booth refused; his cooperation with the manhunt's investigators provided key information but did not save him from execution.
Powell (also known as Lewis Paine) is the conspiracy's most physically formidable member: a Confederate veteran who attacked Secretary Seward with near-fatal efficiency, fighting through multiple people in the Seward house before being driven off. His attack was the most successfully executed element of the conspiracy — Seward survived only because of the metal neck brace that partially deflected Powell's knife. Swanson presents Powell as a man of violence without ideological depth, a soldier who transferred his wartime capacity for killing directly into the conspiracy's service. His capture, trial, and execution are narrated with attention to his composed demeanour — he showed less emotion than any other conspirator throughout the proceedings.
Secretary of War Edwin Stanton is the manhunt's organising intelligence — the man who, in the chaos of the assassination's immediate aftermath, effectively took control of the government and directed the investigation. Swanson presents Stanton as a figure of genuine competence and genuine ruthlessness: he mobilised the War Department's resources with impressive speed and maintained operational focus while simultaneously managing the political crisis of Lincoln's death and Johnson's succession. His decision to pursue a military tribunal rather than civilian courts for the conspirators remains controversial; his role in the immediate response to the assassination is less so. He is the manhunt's administrative centre, the figure who turned grief into organized pursuit.
Mudd is the book's most historically contested character: the Maryland physician who set Booth's leg in the early hours of April 15 and whose prior acquaintance with Booth became the central question of his culpability. He claimed Booth was a stranger who arrived at his door; investigators established that Mudd and Booth had met before. His conviction as a conspirator — and the subsequent debate about whether his assistance was foreknowledge and collaboration or innocent medical treatment — is one of the manhunt's most enduring historical controversies. Swanson presents the evidence on both sides without fully resolving it, which is the historically honest approach: Mudd's degree of involvement remains genuinely uncertain.
Mary Surratt ran the boarding house where the conspirators met and planned. Her son John Surratt was an active conspirator who fled to Canada and avoided prosecution. Whether Mary herself knew of and participated in the assassination plot — or whether her primary culpability was running the house where it was discussed — was the central question of her trial. She was convicted and became one of the first women executed by the federal government. Her case has remained historically controversial: supporters argue she was convicted on circumstantial evidence and executed partly to pressure her son into surrender. Swanson presents her case with the ambiguity it deserves, acknowledging the genuine historical uncertainty about her specific knowledge and role.
Corbett is one of the manhunt's most singular figures: a religious zealot who had previously castrated himself to avoid sexual temptation, and who shot Booth in the neck without orders, apparently acting on what he described as divine instruction. His action deprived the government of a live Booth to try publicly — a significant loss, given the public interest in the trial. He was briefly arrested for disobeying orders before being released and celebrated as a hero. Swanson treats Corbett as a genuine historical curiosity: a man whose motivations were clearly sincere and clearly disconnected from the operational logic of the manhunt, whose decisive action ended the chase but also foreclosed the justice that a trial would have provided.
The book's central thematic argument concerns the specific psychology of Booth's fanaticism. He was not a marginalised or desperate man driven to violence by personal failure — he was successful, celebrated, and by the standards of his world, privileged. His choice of violence was ideological: a commitment to the Confederacy and its values that persisted past the point of the Confederacy's military defeat. Swanson uses Booth's diary to demonstrate the specific quality of this fanaticism: the certainty that history would vindicate him, the genuinely held belief that killing Lincoln was a heroic act. The book argues that political violence of this kind — chosen from conviction rather than desperation — is particularly difficult to deter or predict because it operates from a moral framework that the perpetrator holds sincerely.
The manhunt itself is the book's most sustained subject, and Swanson uses it to explore how a society organises the pursuit of justice after a catastrophic crime. The resources mobilised — soldiers, detectives, informants, reward money — represent the full institutional weight of the Union government directed at a single fugitive. The manhunt's failures (twelve days of evasion despite enormous resources) are as interesting as its eventual success: they reveal the limits of institutional pursuit against a fugitive sustained by a sympathetic civilian network. Swanson presents the manhunt not as a simple triumph of justice but as a complicated operation whose success was partly contingent on the specific decisions of specific individuals and partly on the exhaustion of Booth's support network.
One of the book's most important historical arguments concerns the persistence of Confederate sympathies in Maryland and Virginia even after the Confederacy's military defeat. The network of people who sheltered Booth — feeding him, hiding him, arranging his river crossing — were not acting from personal affection for a famous actor but from residual Confederate loyalty that the war's end had not extinguished. Swanson uses this network to argue that the political and cultural divisions the Civil War represented did not dissolve with Lee's surrender at Appomattox; they persisted in the specific choices of specific people who continued to prioritise Confederate allegiance over their obligations as citizens of the reunited United States. The manhunt is partly a race against the clock of this network's persistence.
Booth's identity as an actor is not incidental to his crime but constitutive of it. His choice of a theatre as the assassination's venue, his timing of the shot to coincide with audience laughter, his shouting of a Latin motto as he leapt to the stage, his carefully considered escape route — all of these reflect the theatrical sensibility of a man who understood his crime as a performance as well as a political act. Swanson develops this theme to argue that Booth conceived of the assassination as the greatest role of his career, the moment that would make him famous forever. The tragedy is that he succeeded in this aim — he is famous — but the fame is not the heroic renown he sought. The theatre, in this reading, is not just the setting but the mode of the crime.
Lincoln's assassination occurred in the specific historical moment of the Civil War's end, which gave it consequences beyond the personal tragedy of the president's death. Lincoln had been developing a relatively moderate approach to Reconstruction — 'malice toward none, charity for all' — and his death brought Andrew Johnson to the presidency, leading eventually to a much more contentious Reconstruction period. Swanson does not develop this historical argument extensively (the book's focus is the manhunt rather than its political consequences), but it is present as background: the specific timing of Booth's crime meant that its consequences extended far beyond Lincoln's life into the shape of the postwar nation. The assassination that Booth imagined would save the South arguably produced conditions that made the South's political position worse.
The book's treatment of the aftermath raises persistent questions about the justice the manhunt's success produced. The military tribunal rather than civilian court, the execution of Mary Surratt on arguably circumstantial evidence, the question of Dr. Mudd's actual culpability, the capture of some conspirators and the escape of others — all of these complicate the narrative of justice achieved. Swanson presents these complications honestly: the manhunt successfully ended the flight of the primary assassin and captured most of his co-conspirators, but the legal proceedings that followed were more ambiguous. The book argues, implicitly, that the specific form justice takes after catastrophic crimes is always imperfect, shaped by the political and emotional pressures of the moment.
"I struck for my country and that alone." Booth's diary entry from the manhunt — his own account of his motivation, recorded while hiding in the Maryland swamps. The line captures the specific quality of his fanaticism: the genuine belief that the assassination was a patriotic act, the inability to recognise that the 'country' he struck for had ceased to exist militarily. It is the statement of a man whose moral framework was sincere and whose moral framework was wrong.
"Useless, useless." Booth's last words, spoken on the Garrett farmhouse porch as he looked at his paralysed hands. The final irony of a man who conceived his act as heroic and died knowing it had accomplished nothing. The word is the book's most resonant detail: the assassin who wanted to be remembered as a liberator, dying with an acknowledgment of futility.
"Now he belongs to the ages." Stanton's words as Lincoln died on the morning of April 15 — one of the most famous sentences in American history. Swanson uses it to mark the transition from the assassination to the manhunt: the moment of Lincoln's death is also the moment when the pursuit of his killer became the central national purpose.
"What a glorious opportunity there is for a man to immortalise himself by killing Lincoln!" Booth's reported statement before the assassination — the theatrical self-conception of the crime stated without disguise. The word 'immortalise' is precise: he wanted fame, permanent historical recognition, the kind of renown that actors pursue on stage but could not in his view achieve through performance alone. The crime was the ultimate performance.
"Ten thousand eyes were searching every face for the look of a guilty man." Swanson's description of Washington in the immediate aftermath of the assassination — the paranoia and determination that the manhunt generated in a city that felt it had been attacked in its safest public space. The image captures the specific atmosphere of a society that has experienced a trauma it did not expect and does not know how to process.
"He had studied the route for months, but the leg had not been part of the plan." Swanson's characteristic ironic observation on the fractured leg that slowed the escape Booth had carefully planned. The leg is the book's primary symbol of the gap between the plan and its execution — the detail that was not anticipated, that made the planned twelve-hour escape into a twelve-day ordeal.
James L. Swanson is a legal scholar and Lincoln assassination specialist whose adult book Manhunt: The 12-Day Chase for Lincoln's Killer (2006) is the adult version of the same story presented in Chasing Lincoln's Killer (2009). The young adult adaptation was written with the same commitment to primary source research as the original: Swanson drew on Booth's diary, eyewitness accounts from Ford's Theatre, the records of the military tribunal, the testimony of conspirators and witnesses, and the extensive documentation generated by Stanton's War Department investigation. His approach is that of a historical detective rather than a biographer or political historian — he is interested in the specific events of the twelve days, reconstructed with as much precision as the documentary record allows.
Chasing Lincoln's Killer is an adaptation of Swanson's adult Manhunt for a younger audience, and the choices involved in that adaptation are themselves analytically interesting. The narrative is more compressed, the political context less extensively developed, and the focus is tightened onto the dramatic manhunt narrative rather than the broader historical context. What Swanson retains is the commitment to primary sources and historical precision — the book does not simplify the moral complexity of figures like Mudd and Surratt to make them more legible to a younger audience. The adaptation argues, implicitly, that young readers can engage with historical ambiguity and do not require the same moral tidiness that some YA history provides.
Chasing Lincoln's Killer belongs to the narrative non-fiction genre — the presentation of historical events with the narrative techniques of fiction (scene-setting, character development, dramatic tension, present-tense reconstruction) while remaining rigorously factual. Swanson's primary technique is present-tense narration of events established through historical research, which creates a reading experience closer to thriller than to textbook. The genre's demand is for precision without dryness, drama without invention — every scene must be both compelling and accurate. Swanson's sourcing (the book includes extensive notes) demonstrates his commitment to the factual side of this balance even as the narrative style demonstrates his commitment to the dramatic side.
The assassination occurred in a specific historical moment of enormous significance: the days immediately following the Confederacy's military collapse. Lee surrendered to Grant at Appomattox on April 9, 1865; Lincoln was shot on April 14. The proximity is essential to understanding Booth's decision to pivot from kidnapping to assassination and the specific political stakes of Lincoln's death. The war was ending; the question of how the reunified nation would treat the defeated South was the central political question of the moment; and Lincoln's approach — which his second inaugural address summarised as 'malice toward none' — was one possible answer. Booth's act eliminated the person who held that specific answer, with consequences for Reconstruction that Swanson gestures toward but does not fully develop.
Stanton's decision to try the conspirators before a military tribunal rather than a civilian court was immediately controversial and has remained so. Critics argued — and argued at the time — that the use of a military court for civilians, even those who had conspired to kill the commander in chief, violated the constitutional right to a civilian trial. The Supreme Court would later rule in Ex parte Milligan (1866) that military tribunals for civilians when civilian courts were functioning were unconstitutional — a ruling that came too late for the Surratt conspirators. The tribunal's legitimacy question is one of the book's most important legal-historical threads and one that connects the Lincoln assassination to broader debates about the scope of executive and military power in times of national crisis.
Swanson's most distinctive craft choice is the use of present tense for the reconstruction of historical events — a technique that creates immediate dramatic presence at the cost of some of the reflective distance that past tense provides. The reader experiences the manhunt as ongoing rather than settled, which produces the thriller's characteristic tension even though the outcome is historically known. This is non-fiction's answer to the thriller's most fundamental challenge: maintaining tension when the reader knows the ending. Swanson's solution is to shift the tension from outcome (will they catch him?) to process (how exactly did this happen?), using the present tense to make the specific texture of the twelve days feel immediate rather than historical.
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Booth was successful, celebrated, and chose violence from conviction. The book argues that ideological violence chosen from sincerity is the hardest kind to deter.
The largest manhunt in American history. Thousands of soldiers, detectives, informants — and still twelve days. Justice is a mechanism as much as a principle.
The network that sheltered Booth acted from residual Confederate allegiance that Lee's surrender did not extinguish. The war's end and its loyalties were different things.
Booth chose a theatre, timed the shot to audience laughter, and shouted a Latin motto. The assassination was a performance. His fame is real. The heroism is not.
Military tribunal, contested convictions, a woman hanged on uncertain evidence. The manhunt succeeded. What followed was more complicated.
Lincoln died five days after Appomattox. Booth ended the presidency of the man whose moderation might have shaped Reconstruction differently. Timing is consequence.