Prosecutors say a New York City detective alleegdly invented a tip about an illegal gun then forged paperwork to collect a $1,000 reward.
Prosecutors say that in November 2012, detective John Malloy created a fake anonymous tip for an already-recovered 9mm semi-automatic pistol.
They say he forged the signature of his supervisors and another detective to claim the reward money.
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Internal affairs officers investigated the case. Malloy's been charged with official misconduct as well as multiple counts of forgery and filing a false instrument.
Court papers show Malloy told investigators he was having health problems and was under a lot of stress when he signed his colleagues' names.
Malloy was arraigned Thursday in Manhattan. He pleaded not guilty and was released. His attorney didn't immediately return a call.