Katie, I kept getting caught too. Try this: Watch them closely. Trust me, you can sneak (pressing R3 I think) passed them. One you get to the big rock, watch the last guard walk passed the rock. While his back is turned to you while he's walking away from you - like Fable!!!_ous said: "Run like Hell"!
"You don't know what you know until you know what you don't know".
'TeemByrd'