Everyone's a liar and a cheat.
Who will end up as the yak's target? Will the shrink be successful in stopping him? Can the lyncher joint on day 2? If so, with town, or with scum? Will the fool be clever enough to get lynched, or will they joint with the yak's target? Can doc arrange to contact the yak and protect him on night 1? Anything can happen.
See strategies here: http://wiki.epicmafia.com/index.php?title=Setup9323