CNN Anderson Cooper Special Report April 27, 2013 02:39:00
>> all of the equipment used was probably under a hundred dollars. >> where would two brothers in boston learn how to take a pressure cooker like this and make it into a bomb like that. right here, of course. it's on the internet. >> the striking similarity between the boston devices and the recipe in the summer of 2010. how to build a bomb in your mom's kitchen. >> >> now, these similarities are low grade explosive powder. but, also, very specific stuff like the fact that in spy magazine told followers that they should glue shrapnel inside the pressure cookers. now, that's what was done in bo...