We still don't know a lot of things about the Boston Marathon bombings and their ... several explosives at the officers, including a pressure-cooker bomb like the ones used at the marathon and ...

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 ...

A photo posted on reddit shows Boston Marathon Bombing "Suspect 2 ... The above photo, a snapshot of a moments before two pressure cooker bombs killed three people and wounded more than 180 ...

“It reminds me so much of the Boston bomber who traveled to Dagestan, came back and then built this pressure cooker bomb that ... were killed in the marathon bombing and hundreds were injured.

The 128th Boston Marathon will kick off on Patriot's Day, or on Monday, April 15. Here's what to know about the world famous ...