(CNN)DNA evidence from a discarded restaurant napkin was used to identify a suspect in the slaying of a 12-year-old girl in 1986, police in Tacoma, Washington, said Friday. Gary Hartman, 66, was arrested Wednesday and has been charged with murder in the first degree and rape in the first degree, Tacoma Police Chief Don Ramsdell said at a news conference about the cold case. Hartman will be arraigned on Monday. CNN has not been able to determine whether Hartman has a lawyer.
