patrick baltazar, the 20th victim, would be the last child to turn up in a wooded area.bers and dog hairs were being collected from the victim's clothing. the next child to die would be found in a river, wearing nothing but underpants. fewer clues now for larry peterson. >> we're talking maybe a dozen or dozens of fibers as opposed to hundreds or potentially thousands of fibers. >> the 13-year-old victim was found beneath this bridge over the south river, in atlanta's suburbs. a driver crossing that bridge earlier in the week saw a man leaning over the railing. it turned out to be the same afternoon joe joe bell disappeared. at the trial, the witness said the man was wayne williams. joe. >>>'s body was not found until ten days, floated far down the river, almost into another county. >> he also had nothing on but underwear, basically. >> medical examiner, joseph burton, went out in a boat to retrieve to boy. >> the body wrapped in a sheet. i'm the one with the shirt off. >> dr. burton ruled both boys had been asphyxiated. >> we had no history of either one of those boys s