Boston Prepares To Commemorate Year Anniversary Of Marathon Bombing

WATERTOWN, MA - APRIL 13: Laurel Street, where one year ago, a shoot out occured between police forces and the alleged Boston bombers Dzhokhar Tsarnaev and Tamerlan Tsarnaev, is seen on April 13, 2014 in Watertown, Massachusetts. Last year two pressure cooker bombs killed three and injured an estimated 264 others during the Boston marathon last year on April 15, 2013, creating a massive statewide manhunt for the bombers, which resulted in a massive shoot out in the early morning hours of April 19, 2013 in Watertown, MA. Tamerlan Tsarnaev was killed during the shoot out, Dzhokhar Tsarnaev was found later the same day hiding in a boat nearby. (Photo by Andrew Burton/Getty Images)