Now saying pressure cookers used as basis for directional shrapnel
looks like Al-Qaeda
One of the three devices that was to be used in an attempted bomb attack in Times Square in 2010 was a pressure cooker. Earlier that year, terrorists used a pressure cooker bomb in an attack in Pakistan. And in 2006, more than 130 people were killed on the transit system of Mumbai, India, when pressure cookers loaded with explosives were placed on trains.
http://swampland.time.com/2013/04/16/a-short-history-of-pressure-cooker-bombs/
News organizations are reporting that authorities in Boston believe at least one of the explosive devices in Boston was a pressure cooker. (Yes, like the closed pot you might use to cook rice at home.) As it happens, pressure cookers have a nefarious history in counterterrorism circles. In 2004, the Department of Homeland Security was concerned enough about pressure cooker bombs to issue an alert to federal and state security officials: “A technique commonly taught in Afghan terrorist training camps is the use/conversion of pressure cookers into IEDs,” the bulletin warned.
Read more: http://swampland.time.com/2013/04/16/a-short-history-of-pressure-cooker-bombs/#ixzz2QeMVXRv5