By Jill King Greenwood
Pittsburgh Tribune Review
They've become known as the "Pitt police dogs," but they've come from dozens of law enforcement agencies all over Western Pennsylvania.
The police dogs, including German shepherds, Labrador retrievers and Belgian Malinois, have worked more than 40 bomb threats at all hours on the University of Pittsburgh campus since Feb. 13, capturing the hearts of people in the campus community.
Marathon of threats exhaust Pa. police, K-9s