Toronto police say they have linked three cold cases from the 1980s and identified the killer of three women over the span of five years as the same man.

Through DNA testing, or investigative genetic genealogy, police have identified Kenneth Smith as the killer of Christine Prince, Gracelyn Greenridge and Claire Samson, Det. Sgt. Steve Smith said in a video statement provided by Toronto police Thursday.

The three women were killed in separate incidents between 1982 and 1987, Smith said. Prince was murdered in 1982, Samson in 1983 and Greenridge in 1987.

The cases had no leads and went cold shortly after the investigations began, Smith said.

In 2016, he said police found a link between the murders of Prince and Samson. Then in 2017, they found a link between those two murders and Greenr

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