A central Kentucky man who police say was seen driving down a highway beating an infant in a car seat has pleaded not guilty to a murder charge in the death of his 4-month-old son.

The News-Enterprise (http://bit.ly/1J3XLjh) reports 35-year-old Daniel A. Cox appeared in court Tuesday with a public defender who requested a reduction in his client's $500,000 bail. Judge Ken Howard denied the request, saying the bond "was reasonable and necessary for protection of the community."

A Hardin County grand jury indicted Cox of Radcliff last week on a charge of murder-domestic violence in the death of Jayceon Chrystie.

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 called police. Authorities say the child was black and blue, had no pulse and his eye was swollen shut.

The baby died two days later. Jefferson County Deputy Coroner Bob Fraction said the cause of death was "inflicted traumatic injury to the head."

A pretrial conference is set for Cox on Oct. 13.

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