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Vin53 "Bloodlust" isn't really a thing.
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spjennifer My guess (and it's just a guess) is this, especially if it turns out to be the 62-year-old suspect they're looking for; You'll find a history of work-related failures (lost job, disciplinary action, lay-offs), a divorce or widower situation and likely grown children. This is a man who has, for years, cataloged grievances and curated a revenge list that got so detailed it eventually just ended up being mankind, so he decided to punish the accused. He'll turn himself in because he's got no relatives to assist him or he'll see the end coming and take control of the one thing he feels he has power over. And yes, that's terrorism when it results in a mass shooting. You're spot on about that.