Since I work at a large university, the Virginia Tech murders made me much more cognizant of security issues. In December, a former doctoral student at USF whose committee I sat on killed his former wife, his ex-wife's new partner, and his two children before killing himself. I hadn't spoken with him in months, and I don't think there's anything any of us who knew him at USF could have done to predict the murders, but let's just say it's invaded my thoughts at times.
And since I know the human predilection for finding patterns where there's none, I'll stop here. There's enough time for investigation and reflection later.
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