Yes he was severely ill.
I've got loads of documents here and his hospital visits date all the way before 93 up to about 2002.
He suffered from bipolar disorder, schizefrenia, had severe depression, mania, and psychotic features, suffered from posttraumatic disorder from child abuse, and borderline personality disorder.
I'm telling ya I don't agree with gun control of any kind, but it's very scary when someone with that many problems has access to any kind of weapon because you don't know how they will use it. I'm not saying that he was any less dangerous without a weapon because even without a gun he had a heavy steel baseball bat. I never found the beretta 92fs he ditched nor has the police department and I don't even know if it's worth reporting at this point since it's been almost 5 years since he threw it in the bushes while running from the police. I'm surprised he lived as long as he did with all the prescription drugs he took.