Earlier this week, Mariah's biological father, who has not seen her for more than a year, said he did not believe she was abducted.
Investigators think the girl is dead, but they have not found her body, the sheriff's office said in a statement that did not say how authorities think the girl was killed.
The FBI said because of evidence gathered, it believes that Mariah is dead but no body has been recovered.
"This is the outcome we all feared. The searches will now shift to a recovery process", the statement said.
Cyclone Ockhi: Naval ships deployed for rescue operations
The Kerala State Disaster Management Authority has asked civic bodies to be ready for rescue operations. Fishermen in the coastal regions were warned to not venture out in the rough sea for the next two days.
Earl Kimrey, 32, charged in connection with the disappearance of Mariah WoodsSaturday. The warrant also says that Kimrey "secretly disposed of the dead child's body".
Those areas are Highway 17 near Southwest Creek Bridge and Highway 53 in the Shaw Highway Area, according to officials. Authorities said they have been using all means necessary to find Mariah including ground searches assist by a helicopter and K9 units - so far, officials have covered 100 acres. They said no information is too small or insignificant when looking for the missing child. Jetta Long revealed that her daughter was born with a shortened leg, so she said she understood how her little girl could have been mistaken for the missing toddler. "All with one mission: to help us find Mariah".
In a tearful television appearance on Tuesday, she said: 'Please, bring her back.
"I wish we had a different outcome", Miller added.
Kashmir: 5 militants killed in Budgam encounter
A teenager was injured in Jammu and Kashmir's Badgam on Thursday where a gunfight erupted between security forces and militants. Another militant was killed in Sagipora-Sopore, 55 kms from here in north Kashmir Baramulla district yesterday.
Arrest warrants obtained by CBS North Carolina report Kimrey obstructed justice by, "removing Mariah Woods' body from the scene of her death and did hide Mariah Woods' death and body, knowing that Mariah Woods died from unnatural causes".
Kimrey's arrest warrant also states that he stole two dressers from a Jacksonville home between 11 p.m. Sunday and 3:30 a.m. Monday.
Onslow County deputies say they charged 32-year-old Earl Kimrey with concealing a death.
Deputies said more charges could be pending.
City tops in crimes against sr citizens, 2nd against women
According to the NCRB data of 2016, 1,382 incidents of violence against senior citizens were reported in the state in 2016. Cases under dacoity have decreased by 4.5 per cent in 2015-16 with 3,795 cases in 2016 as compared to 3,972 in 2015.
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