As of now, no charges have been filed in the case.
Police said that they received a tip that her remains could be in a field on the east side of Indianapolis.
Rivera-Gonzalez also says that Fairbanks has violently abused her for "about two years."
Monday, IMPD officials said they were searching another area for her, but they wouldn't disclose where.
They've been searching for the baby since she went missing Friday morning.
Community members with truckloads of trash they usually dump off over the weekend at the landfill were turned away.
Around 1:15 p.m., police called off the aerial search and were putting divers into a pond behind the property.