So it wasn't really his fault. He just had mental problems. The evil rethuglicans probably made him feel bad.
That seem to be DUmmy SOP now.
If the perpetrator of the crime is a Rethug, then its obvious that their political beliefs made them evil.
If the perpetrator is a sweet, innocent Democrat or a Liberal, he/she had mental health issues, and the reason they succumbed to their uncontrolled illness is because of rethuglikkkan policies.