Tyquan Mumphrey

Tyquan Mumphrey was an 18-year-old Black male from Gladewater, Texas, who was known for being full of life and the life of the party. A former student of Gladewater High School, his life was cut short in a shooting incident that involved his own brother.

In the early morning hours of March 22, 2024, Longview Police Department officers responded to reports of a shooting. At about 3:40 a.m., they arrived at a convenience store in the 700 block of Gilmer Road in Longview. According to police, Tyquan had been in a vehicle with his brother and two other people near the store. At some point, both Tyquan and his brother, Tykiron Mumphrey, began firing guns from inside the vehicle. After the gunfire, Tyquan was found lying in the roadway with a life-threatening gunshot wound. He was transported to a local hospital, where he later died from his injuries.

Detectives with the Longview Police Department investigated the shooting and identified Tyquan’s older brother, 20-year-old Tykiron Garceil Mumphrey, as a suspect. Authorities arrested Tykiron and charged him with aggravated assault with a deadly weapon. He was booked into the Gregg County Jail.

On June 16, 2025, Tykiron Mumphrey, then 21 years old, appeared in a Gregg County courtroom. He pleaded guilty to aggravated assault in connection with the fatal shooting of his brother. As part of a plea agreement that settled all of his cases related to the incident, he was sentenced to 15 years in prison. With this conviction and sentencing, the case is considered closed as of June 2025.