Marion County deputies arrested the mother following a tip regarding a missing child who was never officially reported.
OCALA, Fla. — A 35-year-old woman faces a first-degree murder charge after investigators discovered the remains of her infant child buried in a shallow grave behind a residence on Tuesday. Law enforcement officials say the child died several months ago following a period of extreme medical neglect and lack of nourishment.
The arrest of 35-year-old Marisela Rubio comes after a multi-week investigation into the whereabouts of her youngest child. Marion County Sheriff’s Office detectives began looking into the case after receiving a tip from a relative who noticed the infant had not been seen since early autumn. The case highlights significant lapses in reported welfare as the child’s birth and existence were largely undocumented by state agencies, complicating the initial search efforts. Rubio is currently being held without bond at the Marion County Jail as forensic teams work to finalize the cause of death.
The timeline of events began in late October when neighbors reported seeing Rubio at the home without the infant. According to charging documents, Rubio initially told detectives that the child was staying with relatives in another county. However, inconsistent statements led investigators to obtain a search warrant for the property located on Northeast 28th Street. On Tuesday afternoon, K-9 units alerted handlers to a disturbed patch of earth near the woodline of the property. “Our heart breaks for this child who never had a chance to grow up,” Sheriff Billy Woods said during a press briefing. Woods confirmed that excavation teams recovered the remains of an infant estimated to be between five and seven months old at the time of death. The recovery process took several hours as forensic experts meticulously cleared the site to preserve evidence for the upcoming trial.
During custodial interviews, investigators say Rubio admitted the child had become increasingly ill over the course of two weeks in September. Documents suggest the infant suffered from severe respiratory distress and was unable to keep down fluids. Rather than seeking emergency medical intervention at a nearby hospital, Rubio allegedly told detectives she attempted to treat the child with over-the-counter remedies that were not intended for infants. When the child stopped breathing in the early morning hours of Sept. 14, Rubio told officials she panicked. Instead of calling 911, she reportedly wrapped the body in a synthetic blanket and used a garden spade to bury the child under the cover of darkness. Deputies noted that the grave was less than two feet deep and located just yards away from where other children in the neighborhood frequently played.
The residence where the discovery was made had been the subject of previous welfare checks, though none were related to the deceased infant. Records from the Florida Department of Children and Families show that Rubio had prior interactions with the agency in 2021 regarding housing instability, but those cases were closed after she moved to the Ocala area. Neighbors described the household as quiet but noted that Rubio often kept the blinds drawn and rarely interacted with others on the street. Local data indicates a rise in “hidden” births in rural pockets of the county, where mothers may avoid hospitals due to legal or financial fears. This specific child lacked a birth certificate, which officials say allowed the death to go unnoticed by the social safety net for nearly five months until the family member finally alerted the authorities.
Legal proceedings are now moving forward with Rubio facing counts of first-degree murder, aggravated child abuse, and failure to report a death. Prosecutors from the 5th Judicial Circuit indicated they are reviewing the forensic evidence to determine if they will seek the death penalty, though no formal announcement has been made. A preliminary hearing is scheduled for next month at the Marion County Courthouse. In the interim, the State Attorney’s Office is working with medical examiners to conduct a full toxicology report and bone density scan to confirm the exact duration of the neglect. These reports are expected to take at least six to eight weeks to complete. Rubio’s court-appointed defense attorney has not yet issued a public statement regarding the specific allegations or the confession cited by the sheriff’s office.
The scene at the Ocala home remained cordoned off with yellow crime scene tape as of Wednesday morning, with a small memorial of stuffed animals and flowers appearing at the edge of the property. A neighbor, Sarah Jenkins, said she saw Rubio digging in the yard months ago but assumed she was planting a garden. “You never think something so dark is happening right across the fence,” Jenkins said while watching investigators return to the site. Other family members have been interviewed by detectives to determine if anyone else had knowledge of the infant’s death or helped conceal the body. At this time, Rubio is the only individual facing charges in connection with the case. The sheriff’s office is asking anyone with additional information about Rubio’s activities between August and September to contact their major crimes unit.
The investigation remains active as the District 5 Medical Examiner’s Office continues its forensic analysis of the remains. A formal arraignment for Rubio is set for March 18 at 9:00 a.m., where she is expected to enter a plea to the murder and abuse charges.
Author note: Last updated March 6, 2026.