On Wednesday, a gunman opened fire on the University of Nevada - Las Vegas campus, killing 3 people and injuring a fourth before being shot dead by police. The shooter was identified as 67-year-old Anthony Polito, a former university professor who had unsuccessfully applied for a job at UNLV. The shooting began on the 4th floor of the business school building and then continued onto other floors. Students outside were forced to flee and hide in fear as gunshots rang out. Two university police officers engaged Polito in a shootout outside the building, resulting in his death. The motive remains unclear, though officials found indications that Polito was very familiar with Las Vegas. The university president called the shooting "unfathomable" and said his heart aches for the UNLV community, still recovering from the 2017 mass shooting at a Las Vegas music festival that left 58 dead.