A man presumed dead for decades has been found alive and well in Montana.
Cook County Sheriff Tom Dart said his investigators located Robert Hutton after his sister submitted his name as a possible victim of serial killer John Wayne Gacy.
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Dart's office has been trying to identify several Gacy victims after collecting DNA samples from their remains.
Hutton was last heard from in 1972, the same year that Gacy killed his first known victims. A then-21-year-old Hutton told his mother he was traveling from New York to California -- meaning he likely passed through Chicago.
Gacy killed 33 teenage boys and young men from 1972 to 1978.
Detectives found Hutton in rural Montana in April. Dart said Hutton since has visited his father and plans to visit his sister.