What are the names of the couple who killed the woman‘s boyfriend and then cut off his head and took pictures with it?

Museum

1500 Governor Nicholls St, New Orleans, LA 70116, USA

Museum

1010 Conti St, New Orleans, LA 70112, USA

Museum

1100 Chartres St #2505, New Orleans, LA 70116, USA

Museum

Area C 4209 Chenault Blvd., Jackson Barracks, New Orleans, LA 70117, USA

Museum

1132 Royal St, New Orleans, LA 70116, USA

Museum

523 St Ann St., New Orleans, LA 70116, USA

Museum

1113 Chartres St, New Orleans, LA 70116, USA

Museum

6000 St Charles Ave, New Orleans, LA 70118, USA