In the wake of the deadly ambush on responding firefighters in Coeur d'Alene, Idaho, the suspect's grandfather spoke to ABC News on Monday.

Two firefighters were killed and a third wounded Sunday when they were shot as they responded to a wildfire on an Idaho mountain that was set to lure them into an ambush, authorities said.A tactical response team used cellphone data to zero in on a wooded area where they found the body of what's believed to be the lone suspect and a rifle nearby as flames were rapidly approaching,

The two slain firefighters, who have not been identified, died on the way to the Kootenai Health campus in Coeur d’Alene, a hospital spokesperson said. One was from the Coeur D’Alene Fire Department, and the other was from Kootenai County Fire and Rescue, authorities said.