This still image made from a video provided by the New York City Police Department shows the gunman, left, behind Brandon Lincoln Woodard pulling the weapon from his jacket pocket a moment before the shooting, Mon. Dec. 10, 2012 in New York. A security camera photo shows a man pulling a weapon from his pocket moments before police say he shot a Los Angeles man in midtown Manhattan. The NYPD released the photo Tuesday amid a manhunt for the unidentified suspect in the execution-style slaying (Ap Photo/New York Police Department/ HO)

NEW YORK (AP) — Someone wanted Brandon Lincoln Woodard dead — bad enough to track him down on a midtown Manhattan block in what looked like a professional hit.

But who killed Woodard and why remained a mystery on Tuesday as police studied security videotape of the unidentified gunman and delved into Woodard's checkered past for clues.

The slaying "was not a random thing as far as we can tell," Mayor Michael Bloomberg said Tuesday.

Seeking the public's help in identifying the shooter, the New York Police Department circulated security camera footage indicating he knew Woodard was in the area — and was waiting for the 31-year-old from Los Angeles.

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