Portrait of Robert K. Ressler

Robert K. Ressler

Bio: Robert Kenneth Ressler was an American FBI agent and author. He played a significant role in the psychological profiling of violent offenders in the 1970s and is often credited with coining the term "serial killer", though the term is a direct translation of the German term Serienmörder coined in 1930 by Berlin investigator Ernst Gennat
Born: Mon, Feb 15 1937
Birthplace: Chicago, Illinois, USA

Death: Sun, May 05 2013
Robert K. Ressler is 76 years old
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Movies (Acting Roles)

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Poster of Serial Killers: The Real Life Hannibal Lecters
Serial Killers: The Real Life Hannibal Lecters
Robert K. Ressler was
63 in Serial Killers: The Real Life Hannibal Lecters
as 'Self'.
Mon, Jan 01 2001
Poster of Murder: No Apparent Motive
Murder: No Apparent Motive
Robert K. Ressler was
47 in Murder: No Apparent Motive
as 'Self'.
Tue, Apr 24 1984

TV Shows (Acting Roles)

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Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Poster of John Wayne Gacy: Devil in Disguise
John Wayne Gacy: Devil in Disguise
Robert K. Ressler would have been no older than
76 in John Wayne Gacy: Devil in Disguise
as 'Self - Ret. FBI Profiler (archive footage)'.
First Air Date
Thu, Mar 25 2021