Ex-Mississippi officer pleads guilty to manslaughter after leaving daughter in hot patrol car for tryst

"You will forever be entombed in a prison of your own mind," the judge told Cassie Barker.

Cassie Barker, an ex-Long Beach police officer, pleads guilty to manslaughter in Harrison County Circuit Court in Gulfport, Miss., on Monday, March 18, 2019. Barker tells a judge she had sex with a then-supervisor and then fell asleep in September 2016 while her 3-year-old daughter, Cheyenne Hyer, was dying in an overheated police car. (Justin Mitchell/The Sun Herald via AP)
Cassie Barker pleads guilty to manslaughter in Harrison County Circuit Court in Gulfport, Mississippi, on Monday, March 18, 2019. –Justin Mitchell / The Sun Herald via AP

It was a scorching Mississippi day, former police officer Cassie Barker said, when she strapped her daughter Cheyenne into a car seat, cranked the vehicle’s nonfunctioning air conditioning and entered her supervisor’s home to have sex.

Barker was inside for four hours on Sept. 30, 2016, while her 3-year-old daughter was restrained in a police patrol car; the child’s body temperature climbed unbearably high.

The two Long Beach officers eventually fell asleep. Cheyenne was unresponsive when Baker returned. Authorities said her body temperature reached 107 degrees before she died.

It is not clear whether Baker intentionally left her child in the car.

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Barker, 29, pleaded guilty to a reduced charge of manslaughter in a plea deal Monday.

“I don’t know what I could ever do to you that could be worse than what you’ve already experienced,” Harrison County Circuit Judge Larry Bourgeois told her. “You will forever be entombed in a prison of your own mind.”

Barker avoided a second-degree-murder conviction after she admitted in court that a chain of events that began with a sexual encounter led to her daughter’s death, the Biloxi Sun Herald reported.

Prosecutors recommended a 20-year sentence. Bourgeois said he would consider the punishment before an April 1 sentencing.

Barker and Clark Ladner, her supervisor, were fired within days of the child’s death, The Associated Press reported. He avoided charges after he told authorities that he did not know Barker’s child was in the car.

Cheyenne’s father, Ryan Hyer, said Monday that his daughter’s death has haunted him in the years since.

“Every time I close my eyes, I picture her suffering, and then I picture her laying in this coffin,” Hyer said Monday, the AP reported. “I still see her smiling and laughing in my head, and I would assume that smile and laughter turned to pain and suffering in that instance.”

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Hyer later learned that Barker had left their daughter in a car during a separate incident the year before.

Barker went into a store in nearby Gulfport, and a concerned passerby called police. Child protective services took temporary custody of her, and Baker was suspended for a week without pay, the AP reported.

But Hyer was never notified, he said. He is suing the Long Beach Police Department and the Mississippi Department of Child Protection Services in a wrongful-death suit, the AP reported.