The news comes almost one day after it was revealed that Earl Kimrey - the live-in boyfriend of Mariah's mother, Kristy - had been arrested in connection with the little girl's disappearance.
"We put every resource we have into finding Mariah, to bring her home safely", he told reporters.
Grace's expert panel includes forensic psychiatrist Dr. Daniel Bober, investigator Vincent Hill, syndicated radio talk host Dave Mack, and child advocate lawyer Ashley Willcott.
Many say they want justice for Mariah, saying that Mariah is loved, not only in this community, but across the state and even country as her story spreads.
Her body was found Saturday in a creek about 25 miles from the home.
The child's disappearance and her death have shaken a North Carolina community.
Remains of missing North Carolina girl found, authorities say
Investigators say Kimrey is the live-in boyfriend of the girl's mother.
Kimrey is charged with concealing of death, obstruction of justice, burglary, felony larceny and possession of stolen property.
Three-year-old Mariah Woods was reported missing November 27 and her disappearance set off a widespread search.
Mariah was presumed dead based on evidence gathered throughout the weeklong investigation into her disappearance, according to the Onslow County Sheriff's Office.
Kimrey has previously been charged with larceny, assault and drunk and disorderly conduct, the News & Observer said. "Someone just walked right up in there, grabbed the 3-year-old out of the bed and she didn't cry, she didn't scream?" he said.
Saturday Onslow County Sheriff Hans Miller announced that law enforcement officials have found what appears to be the body of missing three-year-old Mariah Woods. "Nobody's heard nothing? Four people in the house, two adults and two babies and somebody just comes, snatches the baby up and walks out?" he told WTVR.
"This investigation continues", he said.More news: Infosys picks Capgemini's Salil Parekh as its next CEO