New York City Police Department

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** FILE ** In this Feb. 25, 2013, courtroom sketch, former New York City Police Officer Gilberto Valle, second right, is seated at federal court in New York. (AP Photo/Elizabeth Williams, File)

In this image provided by the New York City Police Department, a composite sketch showing the woman believed to have pushed a man to his death in front of a subway train on Thursday, Dec. 27, 2012, is shown. Police arrested Erika Menendez on Saturday, Dec. 29, 2012, after a passer-by on a street noticed she resembled the woman seen in a surveillance video. (AP Photo/New York City Police Department)

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A New York Police Department van broadcasts the location of warm shelters over a loudspeaker as snow as it accumulates in the Rockaway Park neighborhood of the borough of Queens, New York, Wednesday, Nov. 7, 2012, in the wake of Superstorm Sandy. A Noreaster is complicating an already difficult situation with wind and blowing snow. (AP Photo/Craig Ruttle)

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In this sequence of images taken from a surveillance video camera and released by the New York City Police Department, police officers approach Jeffrey Johnson, after he shot his former colleague Steven Ercolino, near the Empire State Building in New York, Friday, Aug. 24, 2012. Johnson, upper left in frames, was shot and killed by police as bystanders fled. (AP Photo/New York City Police Department)

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The New York City Police Department erected pens in anticipation of picketers outside the headquarters of Con Edison in New York on Sunday after contract talks broke down. (Associated Press)

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** FILE ** New York City police Commissioner Raymond W. Kelly speaks on Jan. 27, 2012, during a news conference in New York. (Associated Press)

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New York City police stand at a barricade on Monday, April 23, 2012, in front of a building in the SoHo neighborhood of Manhattan where authorities were digging up the basement in connection with the disappearance 33 years ago of 6-year-old Etan Patz. (AP Photo/Peter Morgan)

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A large gathering sits March 8, 2012, at Saint Peter's College in Jersey City, N.J., during an interfaith news conference to address concerns about the spying conducted by the New York City Police Department on the Muslim community in New Jersey. (Associated Press)

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Mohammed el-Sioufi, an accountant and vice president of the Islamic Culture Center, a mosque in Newark, is interviewed by the Associated Press about the New York Police Department's surveillance of the Muslim community in Newark, N.J., Wednesday, Feb. 15, 2012. AP Photo/Charles Dharapak)

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Sam Worthington isn't suicidal in the B-move thriller "Man on a Ledge," but does Anthony Mackie, his former partner on the New York Police Department, know that? (Summit Entertainment via Associated Press)