@CNN: A child-killer taunted investigators for 30 years with disturbing notes. But thanks to advances in DNA technology, the suspected killer was arrested and then confessed to the crime https://t.co/wuEfxsnbW0 https://t.co/Mc55tYyiRw

@CNN: A child-killer taunted investigators for 30 years with disturbing notes. But thanks to advances in DNA technology, the suspected killer was arrested and then confessed to the crime https://t.co/wuEfxsnbW0 https://t.co/Mc55tYyiRw