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Dallas County inmate died after taking fentanyl another woman allegedly smuggled in her vagina

A brown bricked building.
Camilo Diaz Jr. / KERA
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KERA
A 21-year-old woman apparently has died of a drug overdose in the Dallas County Jail after another inmate allegedly smuggled fentanyl into the facility.

One woman is dead and another is facing criminal charges after a fentanyl-related death on July 13 in the Dallas County jail.

Quinetta Brinkley, 21, was found unresponsive in her jail cell bunk and was pronounced dead one hour later at Parkland Hospital.

Jail staff found her during their security walk-through after other inmates reported that she and one other inmate were not moving, according to a Dallas County Sheriff's Office statement.

Two more female inmates were found to have the same symptoms and were also taken to the hospital, according to a police arrest affidavit.

One of the four women had smuggled fentanyl into the jail in her vagina.

Daisy Zuniga, 26, is charged with murder in connection to Quinetta Brinkley's fentanyl-related death on July 13, 2025 in Lew Sterrett, the Dallas County jail.
Dallas County Sheriff's Office
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Dallas County Sheriff's Office
Daisy Zuniga, 26, was charged with murder after Quinetta Brinkley's fentanyl-related death on July 13 in the Dallas County Jail.

Daisy Zuniga, 26, has been charged with murder and was being held in the jail Thursday on a $500,000 bond. She'd originally been brought to the jail on a trespassing charge and drug possession charge.

All four inmates suspected of having fentanyl overdoses allegedly had taken it, according to documents.

The other inmates' conditions were not made public.

Got a tip? Email Marina Trahan Martinez at mmartinez@kera.org. You can follow Marina at @HisGirlHildy.

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Marina Trahan Martinez is KERA's Dallas County government accountability reporter. She's a veteran journalist who has worked in the Dallas area for many years. Prior to coming to KERA, she was on The Dallas Morning News Watchdog investigative and accountability team with Dave Lieber. She has written for The New York Times since 2001, following the 9/11 attacks. Many of her stories for The Times focused on social justice and law enforcement, including Botham Jean's murder by a Dallas police officer and her subsequent trial, Atatiana Jefferson's shooting death by a Fort Worth police officer, and protests following George Floyd's murder. Marina was part of The News team that a Pulitzer finalist for coverage of the deadly ambush of Dallas police officers in 2016.