NYPD Releases Surveillance Video of Ismaaiyl Brinsley

Authorities release surveillance video of the gunman at a shopping mall in Brooklyn just hours before the shooting, carrying a bag believed to contain a gun.
1:11 | 12/22/14

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Transcript for NYPD Releases Surveillance Video of Ismaaiyl Brinsley
Here is looking forward to identify that one piece of time where he was. In Brooklyn. For about 1207 now is to these two time occurrence what can 47 Alice what you see over here. His system images we have a tape of a Linux animal where he is where is walking around. And big a play that tape. Flores in the public's assistance if they see him because right now we don't worry don't know where he was for two hours. She could see. He's walking around there he is a big in his hand he said that they use him for most of the day. We have what's that big over in the by the crimes his well we believe the gun was in that bag. At that point that's what we're thinking right now it's a styrofoam container within that way pay. And that's that's what we're thinking right now we pulled it out when he when he did the shooting again. Public health for us. If we can identify where he was that Jack is quite distinctive. Did you sign on they'll see it any square is something. We're very distinctive shoes as well we found another is to Graham message from that morning again threatened to kill the police so we have very disturbed young man here.

This transcript has been automatically generated and may not be 100% accurate.

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