Across western Pennsylvania, an increasing number of school districts are hiring private contractors to take care of school security, but state law still requires districts to make sure those guards ... more 
Across western Pennsylvania, an increasing number of school districts are hiring private contractors to take care of school security, but state law still requires districts to make sure those guards have clean criminal records. less 
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WTAE - Pittsburgh Videos
Mon, May 7, 2012 8:21 PM EDT