Connecticut State Police said there is an "open and active investigation" into the child's death.
The Department of Children and Families released a statement on Wednesday saying "The Department's staff is deeply saddened by the death of this young innocent boy. We had worked with the family and coordinated services to assist with the healthy development of the children, and the parents were participating in these efforts. Tragically Leon is another of the many victims of the opioid epidemic gripping the nation. We are conducting a careful review of our work to see how such tragedies may be prevented in the future, but that does nothing to diminish the deep loss suffered by Leon's family."
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