Inmate charged with murder after overdose death at Dallas County Jail

The Brief

  • An inmate, Quinnetta Brinkley, 21, died Sunday, July 13, at Parkland Hospital after being found in medical distress at Dallas County Jail.
  • Another inmate, Daisy Zuniga, 26, has been charged with murder in connection with Brinkley’s death, along with drug and trespass charges.
  • It is unclear if Zuniga was among the four inmates who experienced medical distress, and the reason for Brinkley’s incarceration has not been released.

DALLAS The Dallas County Sheriff’s Office confirms an inmate died on Sunday, July 13, 2025, at the Dallas County Jail.

Inmate Overdose at Dallas County Jail

What we know:

According to the Sheriff’s Office, detention officers were conducting their rounds when they found four female inmates in medical distress. They were taken to Parkland Hospital for a possible overdose.

One inmate, 21-year-old Quinnetta Brinkley, died at the hospital. The reason for Brinkley’s incarceration has not been released.

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