CNN —For decades, criminologists and true crime documentaries have attempted to understand what causes serial killers to commit the atrocities they do.
CNN spoke with three forensic psychologists and serial killer experts to better understand what causes people to become serial killers.
Scott Bonn: Not all psychopaths are serial killers, and not all serial killers are psychopaths.
In the case (of a serial killer who) is a psychopath, their brain functions differently than a normal human brain.
Are all serial killers serial sexual murderers?
Persons:
Dennis Rader, John Wayne Gacy, Jeffrey Dahmer, Albert DeSalvo, Ted Bundy, Rex Heuermann, Heuermann, he’s, Long, Scott Bonn, Psychopaths, Louis Schlesinger, Katherine Ramsland, DeSalvo, Joe Dennehy, Scott, –, you’re, they’re, Bundy, There’s, BTK, Jack, who’ve, They’re, Marny Malin, Sygma, William Heirens, ”, Ted Bundys, John Wayne Gacys, Dennis, they’re chameleons, it’s, He’s, there’s, Jeffrey Dahmer's
Organizations:
CNN, University of Michigan, John Jay College of Criminal, DeSales University, Boston, Boston Globe, Des, Des Plaines Police Department, Chicago Tribune, Tribune, Service, Getty, Lutheran Church, Boy Scout, Suffolk County Sheriff's, Scott Bonn
Locations:
United States, New York, Shore, criminologist, Scott Bonn, Chicago, Des Plaines, Milwaukee, Suffolk County, Long