At 2:49 p.m. on Tuesday, Boston police officers held their hands up in salute and former Boston Mayor Thomas Menino, current Boston Mayor Martin Walsh, Vice President Joe Biden, and Massachusetts Gov.
NBC News U.S. News, NBC News: Nation
Tue, 04/15/2014 - 2:09pm
At 2:49 p.m. on Tuesday, Boston police officers held their hands up in salute and former Boston Mayor Thomas Menino, current Boston Mayor Martin Walsh, Vice President Joe Biden, and Massachusetts Gov.