Police say Kimberly Lajara, 24, was an officer at the 121st Precinct on Staten Island.
Lajara was driving south on the Parkway just before 4 a.m. when her car struck a median near West 98th Street, hit a tree and burst into flames.
Both Officer Lajara and the passenger in her car, Oscar Monegro, 32, were pronounced dead at the scene.
The investigation is ongoing.
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