Person Briefed On Boston Probe: Bombs Placed In Pressure Cookers | Talking Points Memo

Updated: 1:28 p.m. ET

BOSTON (AP) — The two bombs that ripped through the crowds at the Boston Marathon, killing three people and wounding more than 170, were fashioned out of pressure cookers and packed with shards of metal, nails and ball bearings, a person briefed on the investigation said Tuesday.


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