http://www.kgw.com/news/Founder-of-Daves-Killer-Bread-rams-Wash-Co-sheriffs-cruisers-232041621.html just kind of went batshit insane. I'm guessing Bipolar.
Saw this on the news this morning, I was thinking drug use but bipolar could explain it as well. Weird, he's looking at a lot of time back in the slammer.