Lincoln assassination conspirators

E189122

criminal conspiracy historical group

The Lincoln assassination conspirators were a group of individuals who plotted with John Wilkes Booth in 1865 to kidnap and ultimately assassinate President Abraham Lincoln and attack other top Union officials.

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All labels observed (3)

Label	Occurrences
Lincoln assassination conspiracy	5
Abraham Lincoln assassination conspiracy	2
Lincoln assassination conspirators canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T1687157 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Lincoln assassination conspirators
Context triple: [Samuel Arnold, associatedWith, Lincoln assassination conspirators]

A. Assassination of Abraham Lincoln
The Assassination of Abraham Lincoln was the 1865 killing of the 16th U.S. president by John Wilkes Booth at Ford’s Theatre in Washington, D.C., an event that shocked the nation and profoundly shaped the aftermath of the Civil War.
B. Murder in the White House
Murder in the White House is a political mystery novel by Elliott Roosevelt that features a fictionalized Eleanor Roosevelt solving a murder inside the presidential residence.
C. Assassination of John F. Kennedy
The Assassination of John F. Kennedy was the 1963 killing of the 35th U.S. president in Dallas, Texas, an event that shocked the world and has since been the subject of extensive investigation and controversy.
D. John Wilkes Booth
John Wilkes Booth was an American stage actor and Confederate sympathizer best known for assassinating President Abraham Lincoln in 1865.
E. Killing of Lee Harvey Oswald
The Killing of Lee Harvey Oswald was the fatal shooting of President John F. Kennedy’s accused assassin by nightclub owner Jack Ruby while Oswald was in police custody, an event that fueled widespread controversy and conspiracy theories.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Lincoln assassination conspirators
Target entity description: The Lincoln assassination conspirators were a group of individuals who plotted with John Wilkes Booth in 1865 to kidnap and ultimately assassinate President Abraham Lincoln and attack other top Union officials.

A. Assassination of Abraham Lincoln
The Assassination of Abraham Lincoln was the 1865 killing of the 16th U.S. president by John Wilkes Booth at Ford’s Theatre in Washington, D.C., an event that shocked the nation and profoundly shaped the aftermath of the Civil War.
B. Murder in the White House
Murder in the White House is a political mystery novel by Elliott Roosevelt that features a fictionalized Eleanor Roosevelt solving a murder inside the presidential residence.
C. Assassination of John F. Kennedy
The Assassination of John F. Kennedy was the 1963 killing of the 35th U.S. president in Dallas, Texas, an event that shocked the world and has since been the subject of extensive investigation and controversy.
D. John Wilkes Booth
John Wilkes Booth was an American stage actor and Confederate sympathizer best known for assassinating President Abraham Lincoln in 1865.
E. Killing of Lee Harvey Oswald
The Killing of Lee Harvey Oswald was the fatal shooting of President John F. Kennedy’s accused assassin by nightclub owner Jack Ruby while Oswald was in police custody, an event that fueled widespread controversy and conspiracy theories.
F. None of above. chosen

Statements (51)

Predicate	Object
instanceOf	criminal conspiracy ⓘ historical group ⓘ
activeIn	American Civil War ⓘ Maryland ⓘ Washington, D.C. ⓘ
country	United States ⓘ linked to: United States of America
hasLeader	John Wilkes Booth ⓘ
hasMember	David Herold ⓘ Dr. Samuel Mudd ⓘ Edman Spangler ⓘ George Atzerodt ⓘ John Surratt ⓘ linked to: John H. Surratt John Wilkes Booth ⓘ Lewis Paine ⓘ Lewis Powell ⓘ Mary Surratt ⓘ Michael O’Laughlen ⓘ linked to: Michael O'Laughlen Samuel Arnold ⓘ
hasMemberRole	David Herold – assisted Lewis Powell and aided Booth’s escape ⓘ Dr. Samuel Mudd – treated Booth’s broken leg and helped his flight ⓘ linked to: Dr. Samuel Mudd Edman Spangler – stagehand who assisted Booth at Ford’s Theatre ⓘ George Atzerodt – assigned to attack Vice President Andrew Johnson ⓘ linked to: George Atzerodt John Surratt – involved in kidnap plotting and Confederate courier ⓘ linked to: John H. Surratt John Wilkes Booth – principal assassin of Abraham Lincoln ⓘ linked to: John Wilkes Booth Lewis Powell – assigned to attack Secretary of State William H. Seward ⓘ Mary Surratt – provided boarding house used for meetings ⓘ Michael O’Laughlen – involved in earlier kidnap plot ⓘ Samuel Arnold – involved in earlier kidnap plot ⓘ
hasPrimaryTarget	Abraham Lincoln ⓘ
hasSecondaryTarget	Andrew Johnson ⓘ William H. Seward ⓘ
notableEvent	Assassination of Abraham Lincoln ⓘ Attack on William H. Seward ⓘ planned attack on Andrew Johnson ⓘ
notableExecutedMember	David Herold ⓘ George Atzerodt ⓘ Lewis Powell ⓘ Mary Surratt ⓘ
opposed	Union government ⓘ
planned	assassination of Abraham Lincoln ⓘ attack on Andrew Johnson ⓘ attack on William H. Seward ⓘ kidnapping of Abraham Lincoln ⓘ
relatedToEvent	American Reconstruction era ⓘ linked to: Reconstruction era
someMembersExecutedAt	Old Arsenal Penitentiary ⓘ
someMembersExecutedOn	1865-07-07 ⓘ
supported	Confederate cause ⓘ
timePeriod	1864 ⓘ 1865 ⓘ
trialLocation	Washington, D.C. ⓘ
triedBy	United States military commission ⓘ

How these facts were elicited