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Case Description
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Marquise Cooper, a 23-year-old resident of Saint Louis, Missouri, tragically lost his life on April 26, 2017, in a triple shooting incident in Pine Lawn. The shooting occurred around 10:13 a.m. in the 4500 block of Rosewood Avenue. Alongside Marquise, two other victims, Calvin Walker (29) and Andrew Green (29), were also found dead at the scene. The victims were discovered with apparent gunshot wounds; one was inside a black SUV, another on a nearby sidewalk, and the third in a yard.

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Victim Details

Marquise Cooper

Male

Black / African American

Saint-louis

MO

2017-04-26

23

Marquise

Cooper

11/12/2025