Grainy surveillance video captures the moment a Boston terror suspect, armed with a military-style knife, was surrounded and shot dead by law enforcement officers during a confrontation last week. <br /> <br />Click here to read more: http://nydn.us/1eYi8WM <br /> <br />Subscribe to our channel: http://www.dailymotion.com/NYDailyNews <br />Follow us on Twitter: http://www.twitter.com/nydnvideo <br />Friend us on Facebook: https://www.facebook.com/thenewyorkdailynews <br />Follow us on Tumblr: http://nydailynews.tumblr.com/