Nearly four decades ago, the so-called ‘Atlanta Child Murders’ shook the city. Between 1979 and 1981, 28 people were killed -- most were children. The mystery surrounding the murders eventually led to one man: Wayne Williams. He was arrested, and convicted of many of the murders. A new podcast, “Atlanta Monster” explores the notorious case. The podcast launched last month, and is co-produced by Atlanta-based production companies ‘How Stuff Works’ and Tenderfoot TV. We talked about “Atlanta