YONKERS, N.Y. (CBSNewYork) — A 17-year-old pleaded guilty Friday to second degree murder in the stray bullet shooting death of a high school student in Yonkers.

Jamir Thompson is accused of firing a gun at another person in April 2019.

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The bullet struck 18-year-old Marilyn Cotto Montanez in the head and killed her.

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Cotto Montanez was walking down Morningside Avenue with her 9-year-old sister when it happened.

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Thompson, who turned himself in to police about two weeks after the shooting, is due back in court in September for sentencing.

CBSNewYork Team