Missing Georgia toddler believed to be dead, authorities say; mother is "prime suspect"

A Georgia toddler who was reported missing a week ago by his mother is believed to be dead, authorities said Wednesday. Chatham County police reported that the mother of 20-month-old Quinton Simon has been identified as the "prime suspect in his disappearance and death."

"We are saddened to report that CCPD and the FBI have notified Quinton Simon's family that we believe he is deceased," the police department tweeted Wednesday night.

Although a suspect, Simon's mother, Leilani Simon, has not been arrested or charged in the case, police added. No further details were provided. Officials were expected to hold a news conference Thursday morning.