Serial killers have left a trail of terror and tears across Washington. Ted Bundy and Gary Ridgway killed at least 79 women, but most serial killers lack the notoriety.
"Ninety-eight percent of serial killers in the world nobody's ever heard of them," said Cloyd Steiger who leads the Washington Attorney General's cold case unit.
Last month, KIRO 7 traveled with Steiger and Canadian serial killer profiler Lee Mellor as they visited the sites of Washington's serial killers. Among them, a serial killer who struck Tacoma who few people have ever heard of.
"This is proof that there were serial killers roaming the United States, preying from state to state, long before Ted Bundy. In fact, Ted Bundy wasn't even the first interstate serial killer in Tacoma," said Mellor.
While new DNA technology has made it easier to catch serial killers, Steiger believes there is untested evidence sitting in police departments that is likely linked to serial killings across the country.
"Sometiimes a serial killing case is just one murder to you. You don't realize that they've murdered somewhere else out of the state or they're moving around. That comes up a lot in cold cases," he said.
Lee Mellor has spent his career examining the minds and motivation of serial killers. Mellor believes the more we know about their crimes, the safer we are.
"To stare the monster in the eye is useful to all of us at the end of the day," said Mellor.
Watch the full report from KIRO 7's Dave Wagner in the video above.
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