K-9 units and helicopters provided by the Marine Corps, along with the North Carolina State Highway Patrol had been scouring the wooded area of Camp Lejeune near her home where Mariah was last seen, in an extensive search.
The FBI is now working with state and local authorities in order to locate the missing girl, according to ABC affiliate WCTI. Officials said more than 225 state and federal personnel are working on the case, adding that they have conducted almost 100 interviews and followed up on more than 140 leads.
Onslow County Sheriff Hans J. Miller told Fox News there appeared to be no sign of a break-in or unlawful entry at Woods' home.
Kristy Woods, Mariah's mother, is pleading for her daughter to be returned safely.
"If anybody knows where she is at or any information, just please call the sheriff's department or notify anybody", Woods told reporters through tears. "Please just bring her back safe and sound - she's my baby, she's my everything".
The FBI released images Wednesday morning from a Walmart in Morehead City, North Carolina, that may show a missing 3-year-old girl at the center of a statewide Amber Alert.
Woods is described as white, 2 feet 9 inches tall and weighs 30 lbs., with brown hair and blue eyes. WATCH: Officials give update on Mariah's caseABC News reports that her mother reached out to the public in an emotion-filled plea Monday. Jetta Long said she doesn't know Mariah's family, but said she is frustrated that the surveillance photos "may have gotten the hopes of the family up". "I heard her name over the radio and I was like, 'Do what?"
Mariah's father, Alex Woods, who does not live with her mother, has expressed skepticism about the circumstances surrounding his daughter's disappearance.
The family also said Mariah would not have left with a stranger.
Local authorities and the Federal Bureau of Investigation were trying to figure out whether the child in the images is the missing girl, but the Onslow County Sheriff's Office confirmed around 9:45 a.m. that the pictures are not of Mariah Woods and an unknown woman. They said no information is too small or insignificant when looking for the missing child. "This ain't true. I mean, really", he said. Her mother, Kristy Woods, believed her daughter was abducted from their home after 11 p.m.
Anyone with information about the abduction is asked to call the Onslow County Sheriff at 910-455-3113, the FBI's Charlotte field office at 704-672-6100 or call 911.