The man who police believe killed two Idaho firefighters responding to a brush fire after starting the flames himself had wanted to pursue a career in the fire service, his grandfather told CNN.

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.”

The man accused of fatally shooting firefighters as they responded to a call in Coeur d'Alene, Idaho Sunday has been identified as 20-year-old Wess Roley, CNN reports. Roley is believed to have set a fire in order to lure in firefighters,