CNN CNN Special Report July 19, 2015 02:42:00
>> in fact, henry had passed a lie detector test before he took the witness stand. when his visitor came to see him, henry was serving five years for sex crimes. his false affidavit was used in court appeals. wayne williams lost each time anyway. >> to this day, is there any question in your mind whom you saw with cater? >> no, there's not. >> it was? >> wayne williams. >> robert henry is not the only one whose story has changed back and forth over the years. so has wayne williams'. at trial, williams testified he was home all evening sick in bed, when henry said he saw him holding hands with ...