>> i did not kill patrick baltazar or anybody else. >> did you ever meet patrick baltazar?in contact with that kid? >> i don't even know a patrick baltazar. >> we offered to show the dna findings to the stepmother, sheila baltazar. >> i can't read it. please don't make me read it. oh, my god! >> so we told her what the fbi report said. wayne williams cannot be excluded as the source of those two hairs. she listened. then this. >> without a shadow of a doubt, i really in my heart believe that wayne williams killed patrick baltazar. ♪ ♪ >>> next, trained to kill. >> were you trained in unarmed combat techniques? could you grab somebody bigger than yourself, put them in a choke hold. >> i'm sure there are other things in unarmed combat besides putting somebody in a choke hold. if you qualify for a sittingham's card today i can offer you no interest for 24 months. thanks to the tools and help at experian.com, i know i have an 812 fico score, so i definitely qualify. so what else can you give me? same day delivery. the ottoman? thank you. fico scores are used in 90% of credit de

patrick baltazar, the 20th victim, would be the last child to turn up in a wooded area.orters fibers 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 a thousand 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 jo-jo bell disappeared. at trial, the witness said the man was wayne williams. jo-jo's body would not 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 foun