Police are searching for a Brentwood man who disappeared from a street near his home late last month — and investigators said they believe “foul play” may be involved.

Oscar Acosta, 19, was last seen walking near his home on Thomas Street at about 7 p.m. on April 29, Suffolk County police said.

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Police have not said why detectives believe the disappearance is suspicious, but are asking anyone with information regarding Acosta to call 911 or the Fourth Squad at 631-854-8452. All calls will remain confidential.

Acosta, who also goes by Jossue, is described as Hispanic with a light complexion, brown eyes and black hair.

He is about 5 feet, 11 inches tall and 205 pounds and police said he was last seen wearing a white shirt, jeans and black and white sneakers.