From the facts that were known yesterday, it was already apparent that the shooter, Tim Kretschmer, was either on psychiatric medications or withdrawing from them. His behavior and choice of targets (including a worker at a psychiatric medical school) pointed strongly towards his use of antidepressant drugs, which are known to cause violent thoughts and behavior.Behind the scenes, I already knew from an industry source that Kretschmer had undergone psychiatric "treatment," but I could not name that source and thus chose not to publish that fact until it could be further corroborated.But today, the Associated Press confirms it. In a story widely published across the 'net'
