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On December 3, 2023, at approximately 4:20 pm, Dallas Police were called for a shooting in the 9700 block of Royce Drive.

When officers arrived, they found five people shot at the location. Three adults died at the scene, and two victims, a 15-year-old female and one-year-old boy were taken to a local hospital. The one-year-old died from his injuries. The teen was last listed in stable condition.

A suspect is not in custody. At this time, this is believed to be an isolated incident and there is not threat to the public.

The investigation is ongoing.

UPDATE

The three adults have been identified as a 50-year-old man, 33-year-old woman, and 20-year-old woman. A 15-year-old female and one-year-old boy were transported to a local hospital. The one-year-old died at the hospital from his injuries, the teen was treated and released. A 13-year-old female was also inside the home at the time of the shooting and was not injured.

Further investigation identified the suspect in the shooting, 21-year-old Byron Carillo. The suspect had an ankle monitor on his leg for a 2021 Aggravated Assault charge. The suspect cut off the ankle monitor at some point, before or immediately after, committing the murder.

Carillo left the scene and later stole a vehicle heading south on I-35. Highway Patrol located the suspect in the Austin area. Carillo got into a pursuit with officers before crashing the vehicle in a ditch, then ran from the vehicle and officers. When officers got close to Carillo, he shot himself in the head, and died at the scene.

The death in custody is being investigated by the Texas Rangers.