Gary Ridgway

Gary Leon Ridgway (born February 18, 1949), also known as the Green River Killer, is an American serial killer. He was convicted of 48 separate murders. As part of his plea bargain, an additional conviction was added, bringing the total number of convictions to 49, making him the most prolific serial killer in United States history according to confirmed murders. He was born in Salt Lake City, Utah.
Ridgway murdered many women and girls in the state of Washington during the 1980s and 1990s. He would mainly kill runaways or prostitutes and would strangled his victims.
On November 30, 2001, as Ridgway was leaving the Kenworth truck factory where he worked in Renton, Washington, he was arrested for the murders of four women whose cases were linked to him through DNA evidence.