Marquise James Walker, known as Marq or Q, was 18 and a senior at Central High School when he was fatally shot after a September 30, 2024, apartment shooting in the 4000 block of Range Road in Rapid City. Three males suffered gunshot wounds in the incident; all were taken to a local hospital and Marquise died of his injuries on October 1, 2024.

Marquise was an active athlete who played basketball, football, baseball and ran track. He was the eldest brother to five younger sisters, a father and was expecting a second child with his fiancée. Investigators from the Rapid City Police Department and the Pennington County Sheriff’s Office have said those involved knew one another and that there is no ongoing threat to the public. No arrests or named suspects have been publicly announced and the investigation is ongoing as authorities process physical evidence and interview witnesses.

If anyone knew Marquise or witnessed the shooting at the Range Road apartment, please share what you know with investigators.