Footage believed to have been shot in January 2008 after 50-mile chase . Beating occurs after car rolls over , ejecting unconscious man onto ground . Prosecutors found footage while preparing for man 's attempted murder trial . `` Those 11 seconds will not be tolerated , '' said Langford , who signed letters of termination for the five officers on Tuesday . Comment:
Footage believed to have been shot in January 2008 after 50-mile chase . Beating occurs after car rolls over , ejecting unconscious man onto ground . Prosecutors found footage while preparing for man 's attempted murder trial . Comment: