The event will resonate for years, especially in New England, said Luisa Deprez, a sociology professor at the University of Southern Maine.

John Mixon and Carlos Arredondo were nearby when the bombs went off Monday, and ran directly into the carnage as most were running away.

The pots that speed the cooking of beans and meat also make weaker, easy-to-obtain explosives much stronger.

At least a dozen people lose one or more limbs in the blasts that doctors say are typical of war zones.

A congressman says investigators still don’t know whether the Boston Marathon bombs were the work of domestic or foreign attackers.