We have new information on a child death investigation in Marion County.
The boy turned up in a Jeep in the Sequatchie River Saturday night...but detectives don't think he drowned.
Two other people in the Jeep survived the crash off Mount Calvary Road in Whitwell.
An autopsy will be performed to determine how the child died.
But the driver of the Jeep Nicholas Mosier is behind bars charged with a range of crimes including... DUI, possession of prescription drugs, felony reckless endangerment, and aggravated child abuse and neglect.
A passenger Lindsey Newsom faces several charges as well.
Among them aggravated child abuse and neglect, felony reckless endangerment and a prescription drug charge.