Peter Woodcock spent 35 years in a criminal psychiatric hospital in Ontario, Canada, after murdering three children. Others did not improve after a number of treatment attempts. Some serial killers who spent time in mental institutions after committing their crimes or received psychiatric treatment were deemed "cured" and released, but they went on to kill again. Most researchers agree that there is no way to "cure" a serial killer.
Later his psychiatrist determined that he was competent, and a judge found him not guilty by reason of insanity. At first found incompetent to stand trial, Gein was sent to a mental institution. Once convicted, most serial killers either spend their lives in prison or are executed if the death penalty exists in their state. Ted Bundy was caught at a routine traffic stop, while David Berkowitz, the "Son of Sam," was initially picked up for loitering and was thought to be a witness to the crimes instead of the killer. Some are arrested or picked up for other crimes, and evidence leads investigators to their murders. Some of John Wayne Gacy's victims had worked for his construction business.īut not all serial killers are caught. In the case of Jeffrey Dahmer, a potential victim escaped and led police to Dahmer's apartment. Many serial killers, even those who are incredibly organized and methodical, slip up in some way that leads to their arrest. Rader sent police a floppy disk containing metadata that was traced to his church. Some organized serial killers, such as Dennis Rader (the BTK Killer), feel the need to taunt the police, which sometimes leads to their arrest. Once the profile is completed, investigators can look at the existing list of suspects and determine which are most likely to have committed the crime and determine how best to capture him.
According to Robert Keppell, the detective who took Bundy's confession, the profile assembled for Bundy's crimes was perfect, "even to the point where they predicted he'd have a step-brother and that's what he had". Profiles are not 100 percent accurate, but they're usually found to be very close. If the victim was mutilated in a very disorganized way, her killer is probably schizophrenic, and schizophrenics are more likely to be very thin and unkempt. If the crime scene shows evidence of careful planning, the killer is likely to be intelligent and older. For example, if the victim is Caucasian, the killer is probably Caucasian. Studies by psychologists and psychiatrists and information gleaned from past serial murders go into the creation of the profile, along with crime-scene information and witness statements. The FBI's Behavioral Sciences Unit developed the process of profiling in the 1970s, and Ted Bundy was one of the first serial killers to be profiled. Determining the signature and the MO are both aspects of profiling.
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