Add Yahoo as a preferred source to see more of our stories on Google. The National Threat Assessment Center conducts behavioral research and preventative guidance to stop targeted violence in schools ...
A Secret Service training in Delaware emphasized information sharing and early action to stop school attacks.
In his first interview since President Obama appointed him the 24th director of the U.S. Secret Service, Joseph Clancy walks with ABC News' Pierre Thomas at a Secret Service training facility in ...
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