quavious marshall , 24 , kirschnick ball , 20 , and kiari cephus , 23 , were escorted off the georgia southern university campus on saturday night .
famous for 2013 hit ` versace '
multiple guns , marijuana and another undisclosed drug were discovered inside their tour van .
they reportedly face charges of drug possession ; possession of firearms in a school safety zone and during the commission of a crime .