Wess Roley, 20, was living out of his vehicle and his former roommate said he shaved off his long hair and started to "kind of go downhill.”

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 sniper, 20-year-old Wess Roley, who opened fire on the first responders after they asked him to move his car, officials say, had ties to California