House committee substitute deletes the content of the 1st edition and replaces it with the following. Makes conforming changes to the act's titles.

Directs the Joint Legislative Oversight Committee on Justice and Public Safety (Committee) to study the preservation of biological evidence in the state, including (1) an analysis as to how each county in the state collects, preserves, and destroys biological evidence as specified; (2) a comparative analysis of how the federal government and other states preserve, store, and destroy biological evidence as specified; and (3) an analysis as to the best methods for storing and preserving biological evidence as specified. Also allows the Committee to study any other relevant matters. Directs the Committee to report to the 2022 Regular Session of the NCGA.