[chessplayer]

FBI has told NBC that no one has been arrested.

[Red Steel]

Pete Williams sources have told him a lie before. As recently as in the Lanza case about finding four hand guns on Lanza inside the school.

[Girlene]

I don't know what to believe. Either way, it sounds like they know who they want to arrest.

AP: Suspect Arrested In Boston Marathon Bombings

.......Officials confirm to CBS News that a suspect was identified in the video who appeared to be carrying a black bag with the bomb near the Boston Marathon finish line.

CBS News correspondent Bob Orr reports that surveillance video shows the suspect on the phone when the bombs go off near the finish line. Orr says the man is then seen leaving the area and mingling with the crowd.........