It happened at 1:50 p.m. Wednesday on Neptune Avenue in Sea Gate, a private gated community at the far western end of Coney Island.
The victim, Angela Devito, was shot multiple times in the torso and pronounced dead at the scene.
Her 75-year-old husband Angelo Devito was apprehended by police at the scene was placed under arrest.
He's charged with murder and criminal possession of a weapon.
It's not yet known what led to the shooting.
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