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I'm not a psychologist- but a brilliant mind, marginalized and misunderstood for a long time, combined with anger and mental illness- could that cause a person with deep rooted anger and frustration lash out against their memories of where that disturbance began?

My brain went here as well.

The police say they have found evidence of an apparent motive. I guess we'll see. TBH, I hope it's something like a thwarted love interest.