AS IF ON CUE:

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"The gunman blamed for the deadliest shooting in modern U.S. history had previously been accused of stalking two female students at Virginia Tech and had been taken to a mental health facility in 2005 after an acquaintance worried he might be suicidal, police said Wednesday. Cho Seung-Hui had concerned one woman enough with his calls and e-mail in 2005 that police were called in, said Police Chief Wendell Flinchum." (Adam Geller, AP)