cle ` bone ' sloan , 45 , was one of two men hit by knight 's pickup truck .
terry carter , 55 , was killed in alleged hit-and-run outside burger stand .
knight is accused of murdering carter , and attempting to murder sloan .
preliminary hearing in los angeles is deciding whether knight can be tried .
sloan today claimed he could not remember the details of the encounter .
would not identify knight , said he was forced to courtroom by subpoena .