A man whose DNA was linked to three of the notorious "Colonial Parkway Murders" in the 1980s has now been tied to a fourth killing, Virginia police say.

Virginia State Police announced Friday that Alan Wilmer Sr. was responsible for the 1988 murder of 19-year-old Laurie Ann Powell. Wilmer died in 2017 at the age of 63.

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Powell was last seen walking down a Gloucester County road after having an argument with her boyfriend.

Her body was discovered more than three weeks later floating in the Elizabeth River.

“We are profoundly grateful to the dedicated law enforcement professionals, investigators, forensic teams and community members who never gave up on finding justice for Laurie Ann," Powell's sister Cindy Kirchner said

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