Officials: Death of boy found near highway ruled a homicide

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Authorities say the death of a 5-year-old boy whose remains were found wrapped in a blanket and packed in a suitcase by the side of a Massachusetts highway has been ruled a homicide.

Worcester County District Attorney Joseph Early Jr.'s office said Thursday that an autopsy report conducted by the Office of the Chief Medical Examiner ruled Jeremiah Oliver's cause of death homicidal violence of undetermined causes.

The Fitchburg boy's remains were found in April 2014 on Interstate 190 in Sterling after he was missing for months.

His mother, Elsa Oliver, and her boyfriend, Alberto Sierra, were indicted in 2014 on assault and kidnapping charges. They both pleaded not guilty.

No one has been charged with the boy's death. Officials say the investigation is ongoing.