Here Is Video of a Pressure-Cooker Bomb Exploding, and Here Is Who Knows How to Build Them

Adam Weinstein · 04/16/13 02:20PM

An unnamed FBI official has told CBS News that at least one of the explosive devices detonated in Boston yesterday appears to have been improvised from a conventional pressure-cooker. Unnamed law enforcement officials don't exactly have the strongest record of credibility in the immediate aftermath of events like these, but federal authorities are well-acquainted with this type of IED.