Trying to Figure Out What Went Wrong in Boston Bombings

Aired: 4/29/2013 | 0:06:50 | Clip
Two weeks after the Boston Marathon bombings, investigators are pursuing several inquiries, both stateside and abroad, into what motivated the Tsarnaev brothers and whether they acted alone. Ray Suarez discusses the latest developments in the investigation with Evan Perez, who is covering the case for The Wall Street Journal.