FILE - In this file photo of June 24, 1993, New York City Mayor David Dinkins, left, and city Police Commissioner Raymond Kelly, consult during a news conference in New York. The murder rate, the most reliable barometer of crime, had hit a record 2,245 in 1990 when Dinkins launched a police officer hiring spree of more than 5,000 officers. Now there's a debate whether flooding the streets with officers really lead to the historic crime drop of the 1990s, after the city had been ravaged by urban violence. (AP Photo/Paul Hurschmann, File)

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