Scent Detection Class (Narcotics/Explosives) (?) Description Contact Bob Dougherty for details. Date and Time March 05 at 7:00 PM - April 28 at 8:00 PM Location 3401 Grays Ferry Avenue, Bldg 6179 Philadelphia 19146 Contact Bob Doughterty, Law Enforcement Training Coordinator 215-898-2200 rodou@vet.upenn.edu