U.S. Attorney General Eric Holder Jr. has authorized federal prosecutors to seek the death penalty for accused Boston Marathon bomber Dzhokhar Tsarnaev, U.S. Attorney Carmen Ortiz announced in a Thursday statement.
Tsarnaev, 20, is accused of carrying out the attack at the 2013 Boston Marathon with his brother, Tamerlan Tsarnaev. The brothers allegedly set off two bombs, which killed three people and injured dozens more. Days later, they allegedly killed MIT Police Officer Sean Collier in Cambridge and injured MBTA Transit Police Officer Richard Donohue. Tamerlan Tsarnaev was killed during a gunfight with police.