John Wayne Gacy

Gacy Case Helps Solve Unrelated DeathFour decades after John Wayne Gacy lured more than 30 young men and boys to his Chicago-area home and strangled them, his case has helped authorities solve another killing one he didn't commit.
Sheriff: DNA Identifies John Wayne Gacy VictimAuthorities have identified a 19-year-old Chicago construction worker who disappeared in 1976.
DNA Testing on Serial Killer's Victims The Cook County Sheriff's Department says DNA testing could solve the last mystery of one of the nation's worst serial killers.
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