A New Orleans man shot and killed his cousin’s boyfriend after the couple’s argument turned physical in the parking lot of a Gretna apartment complex, according to authorities.
Mark Haynes, 56, is accused of killing 48-year-old Michael K. Smith.
Haynes appeared in Jefferson Parish Magistrate Court Friday morning for a probable cause hearing in his case. He is booked with second-degree murder and being a convicted felon in possession of a weapon…