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.

SB 841 requires that individuals arrested for felony offenses in Tennessee have a mouth swab (biological specimen) collected for DNA analysis before being released from custody. The sample must be sent to the Tennessee Bureau of Investigation (TBI) and becomes a condition of bond or release. If charges are dismissed or the person is acquitted, TBI must destroy the sample and related records, unless other felony charges or warrants are pending. The law takes effect July 1, 2025, and applies to all felony arrests occurring on or after that date.