An NYPD sergeant who rose to fame when she was photographed with President Obama during a 9/11 anniversary wreath ceremony last year was found dead in an apparent suicide at her Long Island home Tuesday, sources said.

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Stg. Stephanie Moses, who worked in the Ceremonial Unit, was found dead in the bedroom of her Baldwin home with a single gunshot wound to the head.

Authorities said Sgt. Moses and her girlfriend had been arguing moments before she killed herself in her Long Island home. The nature of the disagreement was not immediately known.