Angel Andino, 22, was arrested in Coney Island.
The victim, Robert Hamlet, was found wrapped in a plastic bag by a maintenance worker.
The fast-food restaurant is located on East 149th Street in Melrose.
An 18-year-old woman and a 21-year-old man have already been arrested for Hamlet's murder.
MORE: Ex-personal assistant arrested in tech CEO Fahim Saleh's grisly murder
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