As the investigation into the deadly firefighter ambush in Idaho over the weekend continues, police are still trying to piece together why suspect Wess Roley allegedly instigated the attack, a source familiar told ABC News.

Frank Harwood wore many helmets: firefighter, national guardsman, and Neenah High School football player. Harwood lost his life in a shooting attack in Idaho last weekend. Neenah activities director Mike Elkin was Harwood's football coach when Harwood was a Rocket,

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.”