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Wearing hats from local law enforcement agencies, Boston Bruins defenseman Andrew Ference, right, talks with teammate Chris Kelly (23) before an NHL hockey game against the Pittsburgh Penguins, Saturday, April 20, 2013, in Boston. (AP Photo/Mary Schwalm)

Wearing hats from local law enforcement agencies, Boston Bruins defenseman Andrew Ference, right, talks with teammate Chris Kelly (23) before an NHL hockey game against the Pittsburgh Penguins, Saturday, April 20, 2013, in Boston. (AP Photo/Mary Schwalm)