Forensic polymer engineering is a type of science that is used to help solve crimes. It uses special techniques to study items made of plastic, which can be often used to help identify the people who are responsible for crimes. Forensic polymer engineers examine plastic items for tiny clues like fingerprints, hair, or other bits of evidence that can be used to help discover who committed a crime. They also look for pieces of plastic that may have been melted down from weapons like guns, as well as plastics that may have been used to construct things like bombs. By looking closely at the plastic, engineers can figure out where it came from, who made it, and even how it was used.