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DICKSON, Tenn. — The mother of the Middle Tennessee child who was reported missing last week has also been arrested in his death.

Krystal Nicole Daniels was charged with aggravated child neglect or endangerment, the Tennessee Bureau of Investigation stated Monday evening. She was booked into the Dickson County Jail on a $1 million bond.

According to documents obtained by WSMV, Krystal Daniels told police she was inside the home when her son, Joe Clyde Daniels, was brutally killed by his father on April 4th.

She “failed to report the abuse and resulting homicide” the document read and event “was aware that Joseph Daniels disposed of Joe Clyde Daniels body.”

“Krystal Daniels failed to report the injuries, abuse, and/or homicide despite multiple opportunities. Krystal Daniels took active steps to obfuscate the abuse and homicide of Joe Clyde Daniels.”

The revelation comes just hours after news media outlets obtained the arrest warrant for the autistic boy’s father, Joseph Daniels.

According to that document, he confessed to beating Joe Clyde Daniels to death in the overnight hours of April 3 and 4th. He stated he used a closed fist to punch the child multiple times until he died. He then loaded the child’s body into the trunk of his car and drove him to a wooded area where he dumped the body.

The fahter then called police and told them he was missing, prompting a search and rescue crews to be deployed.

Joe Clyde Daniels has still not been located.