Nearly a year after a baby was found unconscious inside his Jamaica home, the live-in boyfriend of the child's mother has been arrested in his death, police said.

Jhalil Williams, 29, has been charged with second-degree murder and assault in the death of the 4-month-old boy, Javion Durett.

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Cops found Durett just after 3 a.m. on Jan. 25 at his home on 144th Avenue after responding to a 911 call of an unconscious infant, police said. The child was unresponsive and EMS took him to Jamaica Hospital, where he was pronounced dead.