Criminal Procedure - As introduced, requires a person arrested for a felony offense to have a biological specimen taken by the arresting authority for the purpose of DNA analysis to determine identification characteristics specific to the person. - Amends TCA Title 18; Title 38, Chapter 6; Title 39 and Title 40, Chapter 35.

HB 473 requires law enforcement in Tennessee to collect a mouth swab DNA sample from anyone arrested for a felony offense on or after July 1, 2025. The sample must be taken before the person is released from custody and sent to the Tennessee Bureau of Investigation for analysis. If charges are dismissed or the person is acquitted, the DNA sample and records must be destroyed, unless other felony charges are pending. This law directly affects all individuals arrested for felonies in Tennessee after the effective date.