Police teams were dressed in snow gear Friday, holding the trigger guards on their assault-style rifles while scouring eight square miles near Big Bear Lake, a popular skiing area two hours east of Los Angeles.

CNN: February 9, 2013 -- Updated 1735 GMT (0135 HKT)

Despite the massive security at Woodhill, there have been numerous assaults on guards who at times have had to put on full riot gear.

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Police, some of them in SWAT gear, carried assault rifles on their shoulders, their fingers on the trigger guards.

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