 He fatally shot three people inside the university tower.He then went to the tower's 28th-floor observation deck, where he fired at random people for some 96 minutes, killing an additional 11 people (including an unborn child), and wounding 31 others before he was shot dead by Austin police officers.Whitman killed a total of 17 people; the 17th victim died 35 years later from injuries sustained in the attack.