THE BRONX - Authorities say an argument between a man and his mother’s boyfriend turned deadly in The Bronx.

Detectives say 20-year-old Malcolm Jacob, of Brooklyn, was attacked by his mother’s boyfriend inside an apartment on Merriam Avenue.

The stabbing is believed to have followed an argument over a pair of stolen sneakers.

Investigators say that they found Jacob with a stab wound to the chest. He was taken to Lincoln Hospital, where he was pronounced dead.

There have been no arrests in this case.