A serial killer is, traditionally, a person who has murdered three or more people over a period of more than a month, with down time (a "cooling off period") between the murders. Some sources, such as the FBI, disregard the "three or more" criterion and define the term as "a series of two or more murders, committed as separate events, usually, but not always, by one offender acting alone" or, including the vital characteristics, a minimum of two murders.
Below is a list of serial killers and their FBI files, obtained under the Freedom of Information Act / Privacy Acts.
|Bundy, Ted - [ 145 Pages, 6.37MB ] - In 1977, Theodore (or Ted) Robert Bundy (1946-1989) escaped from custody while being transported to Colorado to stand trial for murder. Salt Lake City issued an escape warrant that prompted the FBI’s involvement.|
|Cunanan, Andrew - [ 718 Pages, 25.53MB ] - Andrew Phillip Cunanan (1969-1997) was a serial murderer placed on the FBI Ten Most Wanted List. These materials consists of a previously released FBI Minneapolis Field Office file concerning the hunt for Cunanan between May and July of 1997.|
|Dahmer, Jeffrey - [ 1,220 Pages, 101 MB ] - Jeffrey Lionel Dahmer (May 21, 1960 – November 28, 1994), also known as the Milwaukee Cannibal, was an American serial killer and sex offender, who committed the rape, murder and dismemberment of 17 men and boys between 1978 and 1991, with many of his later murders also involving necrophilia, cannibalism and the permanent preservation of body parts—typically all or part of the skeletal structure.|
|Gacy, John Wayne - [ 20 Pages, 1.45MB ] - In 1979, John Wayne Gacy (1942-1994) was arrested in Cook County, Illinois for a series of murders in the area of Des Moines, Illinois. The FBI provided investigative assistance to Illinois police. In 1980, Gacy was convicted of murdering 33 young men ranging in age from 14 to 21.|
|Jack the Ripper - [ 8 Pages, 0.7MB ] - In 1888, a series of unsolved homicides in London, England were attributed to a serial killer called “Jack the Ripper." In 1988, Supervisory Special Agent John Douglas of the FBI’s National Center for the Analysis of Violent Crime performed an analysis of the case for the Cosgrove-Meurer Production Company. This release consists of his analysis.|