What began as a routine response to a brush fire on northern Idaho’s Canfield Mountain turned deadly Sunday after firefighters reported someone shooting at them while they battled the flames.

A 20-year-old man's life appeared to have begun to unravel in the months before law enforcement say he fatally shot two firefighters and severely wounded a third as they responded to a wildfire near Coeur d'Alene,

The identities of two firefighters killed and one who was injured have been released after a gunman reportedly intentionally set a fire and opened fire on crews responding to the fire on Sunday afternoon.