Final answer:
The Heroin Signature Program (HSP) identifies the source of heroin.
Step-by-step explanation:
The Heroin Signature Program (HSP) identifies the source of heroin. It is a program that helps law enforcement agencies analyze and identify the origin of seized heroin samples by studying their chemical composition and impurity profiles. By comparing this information with known heroin samples, the HSP can provide valuable insights into the geographic origin and trafficking patterns of heroin.