Joseph was booked with two counts of first-degree murder in the Aug. 18 shooting deaths of Nikiayh Westerfield and Dave Harrison, both 19. The men, cousins and chemical-engineering students at Southern University in Baton Rouge, were shot multiple times inside a sport utility vehicle found in the 4000 block of Paige Janette Drive in Harvey.
In the days following the shootings, Jefferson Parish Sheriff's Office detectives arrested Jerremy Coleman, 19, and Irvin Harris, 20, and booked them with murder. The district attorney's office downgraded the charges, indicting Coleman and Harris with two counts of manslaughter on Dec. 12, according