BREAKING NEWS: Boston Marathon Bombing Suspect Identified, Arrested, Law Enforcement Source Tells CNN

A suspect has been identified in the Boston Marathon bombing, an unidentified law enforcement source tells CNN.   The station reported that officials believe a video from a department store and a TV station helped identify the suspect.

UPDATE: The Associated Press and CNN report that an arrest has been made. The yet unidentified suspect is reportedly expected in federal court soon.  The Boston Globe is reporting that authorities have an image of the suspect carrying and possibly dropping a black bag at the second bombing scene.

CLICK HERE for live updates

CNN's report remains unconfirmed. The FBI's national press office says "we have not officially named anyone and we don't know where they're getting that information." Boston Police also declined to comment to HuffPost Crime, saying they don't know about the possible suspect.  The FBI had appealed to the public to submit videos, photos and any other evidence gathered before and after the attack at about 2:50 p.m. on Monday.