Van Dreal says students who saw the post were frightened.

'Seriously, it's asking for a f***ing shooting or something.' 'F*** North Salem High School,' the student had written. 'There were a number of statements about hitting people with pipes, breaking knees, bashing heads with pipes and looking for help in doing so,' Van Dreal says. 'I got a call from the assistant principal at North High, reporting that a student had made some threats on the Internet,' remembers Van Dreal, the director of safety and risk management for Salem-Keizer Public Schools in Salem, Ore. Still, it's always unsettling to get the kind of phone call he received one morning eight years ago as he was on his way to a meeting. Psychologist John Van Dreal has spent almost 30 years working with troubled kids. In 2011, a 17-year-old named Mishka told readers of his Facebook post that his Salem, Ore., high school was 'asking for a f***ing shooting.' That post and other furious outbursts triggered a quick, but deep evaluation by the school district's threat assessment unit.

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