Investigators have several pieces of evidence believed to be part of the homemade explosive devices used ... bomb, but there's not enough evidence to determine whether it was also a pressure cooker.

A dancer who lost part of her leg in the 2013 Boston marathon bombing is in hospital ... and sustained life-changing injuries when two pressure cooker bombs went off near the finish line.

Brothers Dzhokhar and Tamerlan Tsarnaev detonated two pressure-cooker bombs at the finish line of the Boston Marathon in April 2013. Also from today’s Jolt: So What’s at the Heart of the ...

(If we were collectively less lucky, the bombs ... bomb components and types of chemicals used in Manhattan match those used in Boston. The Tsarnaevs said they learned how to build a pressure ...

Survivors of the 2013 Boston Marathon bombing will be honored at this ... Three people, including a child, were killed when two pressure-cooker bombs exploded near the end of the marathon route ...

A photo posted on reddit shows Boston Marathon Bombing "Suspect 2" walking ... The above photo, a snapshot of a moments before two pressure cooker bombs killed three people and wounded more ...

BOSTON — A jury on Wednesday found ... throwing a smaller pressure-cooker bomb similar to the ones they used at the race, as well as smaller pipe bombs. When Tamerlan Tsarnaev ran out of bullets ...