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 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.

Authorities in Coeur d'Alene, Idaho, share updates on their investigation after a suspect ambushed firefighters on the job.