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In this frame grab taken from video provided by the New York Police Department, an unidentified man approaches New York City police officers with a hatchet, Thursday, Oct. 23, 2014, in the Queens borough of New York. The man injured two with the hatchet before the other officers shot and killed him, police said. A bystander was wounded in the gunfire. Investigators were still trying to confirm the identity of the assailant and determine a motive. (AP Photo/New York Police Department)
In this frame grab taken from video provided by the New York Police Department, an unidentified man approaches New York City police officers with a hatchet, Thursday, Oct. 23, 2014, in the Queens borough of New York. The man injured two with the hatchet before the other officers shot and killed him, police said. A bystander was wounded in the gunfire. Investigators were still trying to confirm the identity of the assailant and determine a motive. (AP Photo/New York Police Department)

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