Key Fobs Go ‘Green,' or ‘Red' to Unlock South Side Doors

Sr. Cpl. Dale Richardson explains how the key fobs at South Side Flats are designed to work. The fobs, when put in a lock, turn a light red or green — green when it unlocks the door and red when it doesn’t. There has been some question as to how Amber Guyger entered Botham Jean’s apartment — and whether or not the door malfunctioned, was unlocked or was open.