Two of three victims fatally shot were at the casino for a bachelor party, police said. The third victim was driving in the casino's parking lot.

Two of three men fatally shot were at the venue for a bachelor party, police said. The third victim was driving in the casino's parking lot when he was ambushed, they said.

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.