This poll is simple: What is your favorite mystery,why, and were you satisfied by the answer? By favorite mystery, I mean which one were you theorizing about, trying to solve, or simply wanted an answer more than any other.
My favorite mystery was Richard's backstory. I correctly guessed that he was on the Black Rock. Starting with Cabin Fever, I really wanted to know about Richard. It drove me crazy. I was very satisfied with the answer.