LANHAM, Md. (AP) — Prince George’s County Police have charged a man with killing his girlfriend’s young son.

Officers say on April 9, 23-month-old Anthony Winfrey was found unresponsive by his mother in their home in Lanham. The child was taken to a hospital, where he died on April 15.

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Authorities say the Office of the State Medical Examiner said the cause of the toddler’s death was blunt force injuries and ruled the death a homicide.

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Police say the mother’s boyfriend, 29-year-old Joshua Riley of Lanham, had been watching the child the day the child was injured. A warrant was obtained for Riley charging him with first-degree murder and other offenses.

Officers arrested Riley on Wednesday in Silver Spring. He is being held without bond.

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