Watch Great Crimes and Trials Season 2 Episode 23 Online

Experience has taught the Atlanta police department to expect about eight child murders a year - usually within families and usually quickly solved. But in 1979 they realised that they were dealing with a serial killer who preyed on young black children aged between 7 and 14. Before the nightmare was ended with the arrest of 23-year-old Wayne Williams in May 1981, there had been 28 victims, and a national manhunt was in progress.