Dakota Hawver of Reno was arrested after a mass shooting at Grand Sierra Resort on July 28 while trying to flee the scene, police said.

The 26-year-old Reno man who police say was responsible for Monday's deadly shooting rampage at the Grand Sierra Resort has died.

Dakota Hawver was armed with a 9mm handgun and fired approximately 80 rounds, using multiple magazines. He bought the gun legally two years ago and the ammunition recently, police said, adding that they don’t know his motive.