jo-jo bell disappeared. at trial, the witness said the man was wayne williams. jo be found for seven more weeks, until easter sunday. it had floated far down the south river, almost into another county. >> he also had nothing on but underwear basically. >> medical examiner joseph burton went out in a boat to retrieve the boy. >> we've got the body wrapped in a sheet. i'm the one with the shirt off. >> dr. burton ruled both jo-jo and the other boy found in the river had been asphyxiated. >> we didn't have any history of either one of these boys swimming in the south river in their underwear. >> other bodies were now washing up in the chattahoochee river to the west and the north of atlanta. five victims in that river in the next six weeks. >> i said, you know, if i was doing that, i'd be throwing them off the bridge. >> fbi agent mike mccomas grew up along a river in tennessee. he knew if something were to float on downstream, it had to be dropped in the middle of a river. mccomas suggested the bridge stakeouts. >> we looked at remote places, dark places. we believe

prosecution was allowed to bring in ten other deaths -- among them patrick baltazar, eric middlebrooks, jo-jo bell, to try to show a pattern. >> this is a chart showing fibers that were recovered from the body of patrick baltazar. >> fibers consistent with that blanket, with wayne williams' bedspread, the green carpet, hair from wayne's dog, plus a leather jacket. >> the jacket as i recall was hanging in his closet. >> and dedman told the jury two human hairs were found inside patrick baltazar's shirt. >> these two hairs were consistent with originating from williams. >> then there was eric middlebrooks and the fiber stuck to his tennis shoe. this is a blow-up of those red fibers. the same kind were in a car williams was driving that year. >> this puts middlebrooks both in the interior and -- of the '79 ford and the trunk of the '79 ford. >> did you ever meet any of the young men who were victims? >> no, i did not. >> never met them once? >> no. >> not once? >> no. >> it's incalculable the odds that they were not in contact with the fiber. >> the fiber evidence is your biggest obstacle. >> that fi