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.

Kootenai County Sheriff Bob Norris said firefighters first responded to an early afternoon report of a brush fire at a popular and scenic hiking and biking area near the outskirts of town. But

The suspect who allegedly ambushed firefighters on the job in Coeur d'Alene, Idaho, had contact and discussion with first responders before shooting at them with a shotgun, killing two of them and critically injuring a third,