Wess Roley, 20, was found dead with a gun nearly six hours after the attack, and investigators say he acted alone, according to the Associated Press.

The identities of the two Idaho firefighters killed by a sniper in a horror ambush have been released. Kootenai County Fire and Rescue Chief Frank Harwood, 42, and Coeur d’Alene Fire Department Battalion Chief John Morrison,

The gunman suspected of fatally ambushing firefighters responding to a blaze in Coeur d'Alene, Idaho, on Sunday has been identified as a 20-year-old man who once wanted to be a firefighter, according to law enforcement officials.