05/18/2010 12:23 pm ET Updated May 25, 2011

Did Drugs Factor Into George Huguely's Attack On Yeardley Love?

Why would a college athlete, a young man from a prominent family with everything going for him, attack and possibly-- as police allege-- brutally murder his former girlfriend? As shock gives way to grief, questions about drugs and sanity invariably arise over UVA student George Wesley Huguely V's fatal altercation with 22-year-old Yeardley Love . Although Huguely has several alcohol-fueled incidents in his past, two doctors say in recent interviews that it's unlikely that intoxicants alone could drive someone to kill.

"If intoxicated, the risk will increase," says Dr. Bankole Johnson, chairman of the Department of Psychiatry and Neurobehavioral Sciences at the University of Virginia Medical School, who also happens to be a forensic psychiatrist, "but in general it is unusual for people to go from nothing to all. Usually there are gradations toward this kind of violence, and there will be clues, even when the person is not under the influence. There's usually a pattern."

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