Richard DesLauriers

Law enforcement officials believe the circled area could show a bag that might have held the second bomb to ignite at the Boston Marathon. (Photo: Sam Nordby/Zumapress.com)

Authorities Identify Potential Suspect In Boston Marathon Bombings

Authorities pinpointed a possible suspect Wednesday in the Boston Marathon bombings, and they said surveillance video could provide a critical clue in catching the attacker.

04/17/2013

What's left of one of the bombs that exploded at the Boston Marathon on April 15, 2013. (Photo: FBI)

Bombs Used In Boston Marathon Attack Said To Be Made From Pressure Cookers

One of the explosive devices used in bombing of the Boston Marathon appeared to have been placed in a metal pressure cooker packed with nails and ball bearings, CBS News reported Tuesday.

04/16/2013

A video grab shows the victims of one of the blasts at the finish line | Richard DesLauriers, Special Agent in Charge of the FBI's Boston Division. (credit: AFP/Getty Images | CBS 2)

FBI Issues Plea To Public As It Continues Boston Bombing Investigation

On Tuesday afternoon, FBI officials held a news conference stating that it had received more than 2,000 tips as of noon. Many of them have been viewed, analyzed and vetted, according to authorities.

04/16/2013