Anyone with information on the suspect's identity is asked to call Yalobusha County Sheriff's Department at 662-473-2722.
If anyone has information on this incident, they are asked to call Webster County Sheriff's Department at 662-258-7701.
Their cases will be handled in Lowndes County Youth Court.
Shack was first arrested Tuesday at a safety check point.
Brooks remains behind bars.
Investigators believe Cullum intentionally drove the car into the water with her toddler in the backseat back in September.
An initiative between federal, state, and local law enforcement led to the arrests of 149 people in the Golden Triangle area.
He has charged around $5,000 worth of items.
Oxford PD got a 911 call around 1:25 Sunday morning about a fight.
The gun had been reported stolen after a car was broken into on Park Circle.