The 'authorities' are shedding some light into who Alexis was.. We know this:
He was a Navy reservist.. He has 'mystified friends' who don't believe the Buddhist could be a shooter.. He also may have recently lost his job..
Alexis was 34. He was discharged from the Navy in January, 2011 and then worked as a civilian contractor..
More from NBC NEWS here..
The FBI is also asking the public for help..
