Gary Leon Ridgway the Green River Killer

America’s Serial Killers – How Many?

by Diane Dimond on January 16, 2012

How Many Are There in America?

It was a small but horrifying item in the Los Angeles Times. “Police are asking for the public’s help in identifying what they call a ‘serious, dangerous serial killer operating in Orange County. Police believe one person is responsible for stabbing three middle-aged homeless men. He is (considered) extremely dangerous to the public.” Another serial killer, I thought. And then the question: How many serial killers are out there in America? John Douglas, a former Chief of the FBI’s Elite Serial Crime Unit and author of “Mind Hunter” says, “A very conservative estimate is that there are between 35-50 active serial killers in the United States” at any given time. Often, Douglas told me, they will, “kill 2-3 victims and then have a “cooling-off” period between kills.” [click to continue…]

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