Homicide detectives in Allegheny County are investigating the disappearance of a Butler native.
Family members of Darlene Harbison say she was last seen on September 11th in the Frazier Township area.
Police, meanwhile, say they suspect foul play and are treating it as a homicide investigation.
The family of Harbison is holding a search party this Saturday at 10 a.m. at the Walter Chapel in Cheswick . The family and volunteers will be targeting ravines and hillsides in a five-mile radius around Crawford Run Road.
Harbison was a 1981 graduate of Butler Senior High School.