Investigation Continues After Baby Dies From Head Injury - News9.com - Oklahoma City, OK - News, Weather, Video and Sports |

Investigation Continues After Baby Dies From Head Injury

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Officers arrested Austin Lankister for murder Tuesday evening, and the mother quickly came to his defense. Officers arrested Austin Lankister for murder Tuesday evening, and the mother quickly came to his defense.
CHICKASHA, Oklahoma -

A 4-month-old baby dies from a brain injury. The mother's boyfriend claims it was an accident but Chickasha Police are not convinced.

Officers arrested Austin Lankister for murder Tuesday evening, and the mother quickly came to his defense.

She posted to social media saying, "I believe this was an accident... Austin treated Kash so great."

Chickasha Police say the baby, Kashlynn, suffered from a brain injury while in Lankister's care, June 6. Doctors at Grady Memorial Hospital called police when the baby arrived to the emergency room.

According to the police report, his explanation of what happened did not fit with the baby's injuries.

6/10/2015 Related Story: Chickasha Man Arrested In Death Of 4-Month-Old Baby

Lankister claimed he was home alone with Kashlynn and she accidentally fell out of his arms while he was in the kitchen getting a drink.

Police say Lankister remarked, "I guess it just wasn't her day" because when he picked her up, her eyes had rolled back into her head, her arms and legs were tense, and she did not cry -- only groaned like the wind had been knocked out of her.

Instead of calling 911, police say he drove to the mother's work, picked her up, and together they took the baby to the hospital. Kashlynn died three days later.

Lankister was arrested June 9.

Chickasha Police are still investigating this case. An autopsy is underway at the medical examiner's office to determine an official cause of death. Meanwhile, Lankister is being held in the Grady County Jail.

Formal charges are pending.

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