The suspect is believed to be Robert Card, a 20-year US Army veteran from Bowdoin Center, Maine.
(according to Telegrams so take with grain of salt)
EDIT: Name confirmed by news.
Show
According to law enforcement, CARD recently reported mental health issues to include hearing voices and threats to shoot up the National Guard Base in Saco, ME.
That's way more agressive and harsh then what they said deserved.
I don't disagree that there's a difference between between what was phrased earlier as someone broken by America and a Nazi, but no reason to get that angry over someone asking what the difference is, or not caring so much about the difference when they kill a bunch of people