The Last Word with Lawrence O'Donnell 04/24/13

Boston suspects' mother tells investigators about a ‘good...

NBC News spoke to the mother of the two suspects in the Boston Marathon bombings about a man the family calls "Misha." Investigators want to know what influence, if any, he might have had over the deceased suspect, Tamerlan Tsarnaev. NBC News's Michael Isikoff and Roger Cressey join MSNBC's Lawrence O'Donnell. ... more Duration: {{video.duration.momentjs}}