(Hillsboro, OR) -- New DNA testing has linked serial killer Cesar Barone to the 1992 murder of Hillsboro resident Elizabeth Wasson. The 82-year-old woman was murdered in her home. She was the widow of a pastor and known as the neighborhood Avon Lady. In 1995, Barone was convicted of killing four women and sentenced to death. He also sexually assaulted and strangled three other women who survived. He died in prison in 2009.