Authorities Seek Suspect In Boston Blasts  

By Bob Vincent
From NBC

Authorities investigating the Boston Marathon bombing said Wednesday they have the face but not the name of someone seen on video leaving a black bag near the scene of the blasts. The person was seen on a surveillance camera from a Lord & Taylor department store, one official said.

Investigators said they had “solid leads” after viewing hundreds of hours of video. NBC News sources said there had not been an arrest.

Rep. Michael McCaul, R-Texas and chair of the House Homeland Security Committee, told reporters: “I have confirmation from the FBI that they have not, they do not have anybody in custody at this time.”

A senior Boston police official and a senior White House official also told NBC News that there had not been an arrest. Boston police said on an official Twitter account: “Despite reports to the contrary there has not been an arrest in the Marathon attack.”

An official told NBC News that investigators are “zeroing in on some people.”

The investigators said they were focused on video taken in the area closest to the blasts, which killed three people and injured 176 near the finish line Monday. Senior officials in Boston also said the team of investigators on the ground is making “solid progress” and that forensics work on bomb parts continues...