>> then the murder of larry rogers, a retarded youth. this witness testified she saw stationwagon as wayne williams drove away. but another person also saw rogers in that stationwagon at that same intersection that day. he helped a police artist draw this sketch. it does not look like wayne williams. however, the defense never called the other witness to ask about the sketch. >> no. i don't even remember seeing that. >> supporters of wayne williams say there was one murder which shows the fiber evidence could be faulty. the death of 12-year-old clifford jones, left by a dumpster in an alley on a summer night in 1980. some of those unusual green carpet fibers were on his body. yet, another boy said he saw a coin laundry operator kill clifford jones. detective welcome harris said the boy was not believable. >> he exaggerated stuff. he could -- in other words, he