So we found out that someone that works/worked in Radley was helping Mona get out from Radley. Isn't it weird how Wren just turned out to be working in Radley when Mona was there? I don't think its a coincidence! I bet that Wren helped Mona get out of Radley and that he helped Toby get that fake E.Lamb badge. Wren and Toby are connected in a way, Wrens father was mentally ill and he was in an institution and so was Toby's mother. Maybe that's how they meet even before Wren knew Spencer.
Read out two main theories about Wren: