Pressure Sensitive Tape
Many types of tape may be used in the commission of a crime; duct tape, electrical tape, packaging tape, strapping tape, etc. Tape may be used as a gag, ligature, restraint or blindfold. It may also be found on improvised explosive devices or wrapped around packages of drug materials. As many as 40 different physical and chemical measurements may be conducted in a tape examination.
A close up view of the adhesive side of a piece of duct tape shows the adhesive and fabric reinforcement.
The adhesive of tape may also yield useful evidence such as fingerprints, fibers, hairs and other debris.