RedactedNarrative: operator was operating a 39' Velocity powerboat, LA-4400-GG, near Pontchartrain Beach in Slidell, LA. There was a total of 6 occupants on board the vessel. There was two swimmers in the water that were not seen until the vessel was in very close proximity to them. After making evasive maneuvers in the vessel, one of the swimmers was struck and killed. The body of the swimmer was recovered on 07/05/2019 at 6:52 a.m.  All PFD requirements were met and alcohol and/or drug use is not suspected to be a factor with the operator of the vessel. Vessel was remote steering, and equipped with proper PFD's, struck by vessel or propeller.