Whether it is a game of Clue or an episode of Sherlock on the BBC, everyone loves to solve a good murder mystery. In this week's episode, Drs. Crystal and David C. Downing sit down with Producer Aaron Hill to put the detective fiction of Dorothy L. Sayers and G.K. Chesterton under a magnifying glass, and to interrogate their famous fictional sleuths, Lord Peter Wimsey and Father Brown.