The University of South Alabama says the officer was acting erratically . CNN 's calls about the tape were referred to school spokesman Keith Ayers , who did not immediately return a message seeking comment . The university says the student charged the officer , who drew his weapon . 18-year - old Gilbert Williams , was killed in the Saturday shooting . His mother and sister says he was a good wrestler and a good - natured guy .
The University of South Alabama says the officer was acting erratically . The university says the student charged the officer , who drew his weapon . 18-year - old Gilbert Williams , was killed in the Saturday shooting . His mother and sister says he was a good wrestler and a good - natured guy .