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In this Saturday, Aug. 11, 2012 photo provided by Lincoln Rocha via The New York Times, police and a man wielding an 11-inch knife confront each other in New York's Times Square. The man, identified as Darrius Kennedy of Hempstead, N.Y. , and a native of South Carolina, was shot and killed by police a few blocks further downtown. According to the police, Kennedy had been smoking marijuana near the military recruiting station in Times Square about 3 p.m. , Saturday when officers first approached. It was the beginning of an encounter that would stretch for seven of the most crowded blocks in New York City in the middle of the afternoon. At one point, Kennedy lunged at police and two officers shot him in the torso, police said.

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In this Saturday, Aug. 11, 2012 photo, crime scene investigators work at the scene where police shot and killed a knife-wielding man Saturday after a confrontation with police that began in Times Square and drew officers and spectators on a chase that ended with shots fired near one of New York's most crowded areas.
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This Saturday, Aug. 11, 2012 photo provided by the New York Police Department shows an 11-inch knife police recovered at the scene where they shot and killed a man Saturday they say lunged at them with the knife in a confrontation that began in Times Square and drew officers and spectators on a chase that ended with shots fired near one of New York's most crowded areas