while we uncovered new information reporter: the jacksonville s sheriff s office revealing new details about the gunman. 21-year-old ryan palmeter. authorities tracked his movements on the day of the shooting. newly-released surveillance video showed he first stopped at a family dollar, five minutes away from the store where the shooting took place. so it look like he wanted to take action at the family dollar. that s what it looks like. and he did not because i think he got impatient and got tired of waiting. he then drove to edward waters university a historically black institution. there he donned this tactical vest. the final video shows deputies inside the jacksonville dollar general, after the shooter ended his 11 minute racist rampage. investigators believe this is the moment he took his own life. at the university, lieutenant antonio bailey hailed a hero for chasing off the gunman when he entered the parking lot of the school on saturday.