Update: Chickasha man released after being arrested in connection to death of 4-month-old

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CHICKASHA, Okla. - A Chickasha man, who was arrested Tuesday evening on a charge of first-degree murder, has been released from jail.

On June 6, police were called to a Chickasha hospital on reports of possible child abuse.

Austin Lankister told police he was holding the 4-month-old child when she fell out of his arms.

He says he picked up the baby as fast as he could, but when he did, he noticed the baby's eyes were rolled back and her arms and legs were tensed up.

He allegedly told police, "I guess it just wasn't her day."

According to Chickasha police, Lankister is the boyfriend of the child's mother.  He was taking care of the child while the mother was away.

We tried speaking with family, they did not return our calls. But a family member did comment on the KFOR Facebook page.

"And he never said he guessed it wasn't her day, that's some bullcrap the cops made up to make a case as they typically do..." The post went on to say,  "I seen the baby she didn't have bruises, broken bones, not so much as a scratch!! She landed on the soft spot of her skull," Leah Lankister wrote.

The baby was later sent to an Oklahoma City hospital after it was determined she suffered a brain injury.

A few days later, the child died as a result of the injuries she sustained, according to a police report.

Medical reports show the injuries the baby sustained were not consistent with what Lankister told police.

The Oklahoma State Medical Examiner's Office will perform an autopsy to determine the exact cause of death.

The ME's office confirms they have the body of 4-month-old Kashlynn Walker in their custody.

Lankister was arrested but was released from jail on Friday. The district attorney declined to file charges against him at this time, pending the outcome of the medical examiner's report.

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