Common Crime Scene Collection Equipment used for evidence collection and identification: Cotton-tipped, wooden-shafted swabs – primarily used for Buccal Swab DNA collection. Plastic Tweezers – used for fiber, hair or small evidence collection. BIO HAZARD Labels – placed primarily on con-tainers with Bio Hazardous materials, such as blood or DNA samples. Magnetic Powder Brush – use with magnetic fingerprinting powder. Blue forensic infrared lighting technique for bio-stains and orange goggles for use with infrared light. (Photo by Bobby Jones)