Police reveal Boston bombers Dzhokhar Tsarnaev and Tamerlan Tsarnaev were about to plant MORE devices as video is released of grenade barrage that stunned wounded brother into submission | Mail Online
http://www.dailymail.co.uk/news/article-2312387/Caught-just-time-The-Boston-bombers-planning-MORE-terror-strikes-says-Boston-police-Commissioner-video-footage-stun-grenade-barrage-released.html