Boston Marathon reporter: "We ran to help"
WBZ's Jonathan Elias talks about covering the race as the bombs went off
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WBZ's Jonathan Elias talks about covering the race as the bombs went off
John Miller - former FBI assistant director - speaks about the latest of the investigation into the Boston Marathon attack
"CBS This Morning" takes a look at the moment when the bomb went off
Kylie Atwood was close to the finish line, cheering for her friend, when the bomb went off
Terrell Brown spoke to some of the competitors who came from Newtown to be in the race
An 8-year-old boy was killed in the Boston Marathon attack after he greeted his father who just finished the race
"48 Hours" correspondent Richard Schlesinger takes a look at this great event, which has been changed forever
David Abel of the Boston Globe was just a few feet away when the bomb went off
NYPD Commissioner Ray Kelly speaks about how New York City is prepared for a potential threat
In Boston, chaos broke out immediately after the marathon bomb blasts
Video of the first explosion at the Boston Marathon captured one runner who was knocked to the pavement
Investigators are looking through the clues to find out who is responsible for the deadly bombings at the Boston Marathon
Rudy Giuliani, New York's mayor during the 9-11 attacks, talks about the Boston Marathon bombings
WBZ's Jonathan Elias was at the Boston Marathon finish line when the bombs went off
Dr. Richard Wolfe, chief of emergency medicine at Beth Israel Deaconess Medical Center talks about the injuries sustained by those hurt in the Boston Marathon bombings
The morning after the Boston Marathon bombings, there is tighter security at landmarks in Washington and other cities
Eyewitnesses say it was a horrific scene at the Boston Marathon finish line. Medical tents set up for the race were turned into emergency rooms
"CBS This Morning" host Norah O'Donnell reports from Boston on the marathon bombing and has the facts as they are known so far
Senior correspondent John Miller, a former FBI assistant director, has been talking with sources inside the Boston Marathon bombing investigation and has the latest
CBS News' Jeff Glor reports on the desperate effort to save lives when two bombs full of shrapnel exploded at the Boston Marathon
At least 2 killed, and 23 injured from 2 explosions at Boston's annual race
Several people have been hurt in two explosions near the Boston Marathon finish line, CBS Boston reports
A frantic call to Boston EMS describes the horrific scene and the need for multiple ambulances.
Bill Iffrrig of Washington state was knocked down by bomb blast near finish line of the Boston marathon.
Police are questioning a Saudi man in connection with the deadly bombings of Boston marathon