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.

The wounded firefighter was in stable condition late Sunday, Norris added. At a news conference Monday afternoon, Norris identified the suspected gunman as Wess Roley. The 20-year-old had extremist "Nazi tendencies" for years,

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.