NEW YORK (CBSNewYork) – There’s an update in the deadly shooting of a mother in the Bronx.

Police say a second suspect, 28-year-old Andrew Johnson, now faces murder charges in the death of 29-year-old Katherine Diop.

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Friends say Diop and her 31-year-old brother Maurice were at a graduation cookout last month in Fordham Manor. Police say the siblings went to the store to buy lighter fluid and an argument broke out with a man over music being played outside.

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Katherine was killed. Her brother was shot eight times, but survived.

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Police previously announced that 24-year-old Jonathan Rosario faces several charges, including murder, in the June 16 shooting.

CBSNewYork Team