A Kentucky man who police say was seen driving down a highway beating an infant in a car seat has been indicted on a murder charge in the death of his 4-month-old son.

The News-Enterprise (http://bit.ly/1L9o5LC ) reports a Hardin County grand jury indicted 35-year-old Daniel Antoine Cox of Radcliff on Thursday on a charge of murder-domestic violence in the death of Jayceon Chrystie. Cox is in jail, with his bail set at $500,000. Online jail records did not indicate whether he has a lawyer.

Court records say witnesses called 911 on Aug. 6 after seeing a man repeatedly hitting a child in a car seat while driving along a highway. After Cox left the unresponsive infant with the baby's mother, she frantically called police.

The baby died two days later.

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Information from: The News-Enterprise, http://www.thenewsenterprise.com