We know next to nothing about Scott, and his whereabouts are anyone’s guess. But, let’s assume that he did spend time at Radley — a completely plausible theory. The identity of Charlotte’s father remains a mystery, but we do know that it’s most likely someone Mary Drake met at Radley. And, in a bombshell delivered last season, the Liars uncovered medical records that revealed Mary gave birth to not one but two children.