kill) you if you are following behind a guard when he hits a wall and turns around.
when you find yourself in a difficult position and it seems like there's nowhere to go, sometimes the best move is to go back where you just were to force the guard to move.
when there are too many guards to get through an area, you have to use them against each other to create a path.
if a guard is running one direction, he remains still when another guard is in his path, no matter how many turns you use to move. this gives you openings to get through until the blocking guard sees you 