They haven given the identity of the suspect yet.
Authorities seek man seen leaving bag near Boston blast site - U.S. News
Authorities seek man seen leaving bag near Boston blast siteBy Richard Esposito, Pete Williams and Erin McClam, NBC News
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.
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http://abcnews.go.com/blogs/headlines/2013/04/live-updates-boston-marathon-bombing-day-3/
:42 p.m. ET: “Contrary to widespread reporting, there have been no arrests made in connection with the Boston Marathon attack,” the FBI said in a statement. “Over the past day and a half, there have been a number of press reports based on information from unofficial sources that has been inaccurate. Since these stories often have unintended consequences, we ask the media, particularly at this early stage of the investigation, to exercise caution and attempt to verify information through appropriate official channels before reporting.”
2:33 p.m. ET: Senior law enforcement officials tell ABC News no suspect has been arrested yet, despite some early reports.