Several of the bombs were used in the 2006 attack on trains in Mumbai, India.
Al Qaeda published a how-to recipe in an online jihad magazine. The improvised explosive devices have been popular with terrorists. When the cookers do explode, they can add large chunks of metal to the shrapnel spray. Pressure-cooker bombs can help boost the power of relatively small devices by briefly constraining the blast. Investigators believe the bombs were hidden in black nylon backpacks and housed inside the pressure cookers.
Third Boston fatality: Graduate student Lu Lingziīoth explosive devices appear to have been placed in sealable metal pots called pressure cookers and packed with nails and ball bearings designed to amplify the damage from the explosions, Orr previously reported. On Wednesday, CBS News confirmed that the third fatality has been identified as Lu Lingzi, a 23-year-old graduate student at Boston University from Shenyang, China. The blasts killed 8-year-old Martin Richard, of Boston, and 29-year-old Krystle Campbell, of Medford, Mass. The developments come after an intelligence bulletin issued to law enforcement and obtained by The Associated Press and the Reuters news agency late Tuesday included pictures of a mangled pressure cooker, a torn black bag, a circuit board and a battery connected to wires, all of which the bulletin said were from the two bombs used in the attack. The law enforcement source confirmed to CBS News senior investigative producer Pat Milton Wednesday that the lid was found on the top of a building near the attack site. Meanwhile, investigators have found the lid of a pressure cooker that apparently was catapulted onto the roof of a nearby building, a law enforcement source said Wednesday. It may happen with the release of that picture tomorrow. It was going to happen earlier - they've rethought that. That's not going to happen tonight anymore. On the other hand, if you don't get him, it's always great to enlist 20 million or so more eyes in the public who may be able to give you a location right away. if he does know you're looking for him, he may run. "For investigators, there's always a difficult choice because if the person doesn't know you're looking for him, he may stay in place, you may catch up to him. Officials say so far they have not identified that mystery man and they're not yet calling him a suspect.ĬBS News senior correspondent John Miller said that the big case Wednesday was whether to make the case to release that photo and go out and say this is the person who is being sought or to hold that back. Boston bombing photo police little boy software#
Sources say forensic experts tape will attempt to use facial recognition software and compare the images from the surveillance camera to photo IDs connected to known cell phone users.
Sources say the FBI is working with a list of names of cell phone owners and attempting to match one of those to the unknown man on the surveillance Investigators now are going through cell phone logs to determine who made calls from that location near the time of the explosions.
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