Tags: Terrorism

Lawyers for Dzhokhar Tsarnaev, the suspected Boston Marathon bomber, on Friday said the defendant's older brother, Tamerlan Tsarnaev was the mastermind behind the incident that killed three people. His lawyers also said that he was asked to be an informant for the FBI.

Boston Marathon bomber Dzhokhar Tsarnaev's note, which was discovered by law enforcement officers as he bled from a boat in a Watertown, Massachusetts backyard, reportedly was meant as a call-to-arms

Americans marked the 12th anniversary of the September 11 attacks on Wednesday, highlighted by somber reading of names of the almost 3000 lives lost when two planes crashed into the World Trade Center in lower Manhattan in 2001.