I've won some prizes at those mystery dinner theatres too. The first one mystery dinner, I guessed wrong. But I figured out how the formula works, and was able to solve the rest I've been to.

One time, I actually said to someone at my table, "there's a bit of a lull in the story right now. They're bound to jumpstart the plot with another murder. Probably that one." And within about a minute, the person I pointed at dropped "dead". (While I solved the mystery - my name wasn't drawn that night.)

Allen