IE 11 is not supported. For an optimal experience visit our site on another browser.

Boston Marathon bombing might have been July 4th bombing

08:56

NBC’s Michael Isikoff reports on how one of the three men arrested in connection with the Boston Marathon bombing entered the country on an expired visa, while NBC News terrorism analyst Roger Cressey explains how new details of the plot – including the original attack plan – show a general lack of strategy from Dzhokhar and Tamerlan Tsarnaev.