It all started with an innocent newspaper advertisement offering babysitting services. In the 1970s, "latchkey kids” was a popular term and it wasn’t common for children to just vanish without a trace. This episode includes a bone chilling audio recording from 45 years ago that was released to the public LAST YEAR. Even with a team of badass investigators, certain mysteries regarding Margaret Ellen Fox remain in question.

PSA: Happy Birthday Brynne!