(1)First go to zombie mode
(2)Select Temple
(3)Buy the gun that costs 300!!!(glitch may not work if you dont)
(4)stand on stairs and face water
(5)Run toward one of the two torches next to the window
(6)Depending on which one you have ran to turn toward the window
(7)CONTINUALY WALK BACK AND FORTH BETWEEN EACH WINDOW WHILE PUSHING FORWARD(WALK BACKWARDS AND FORWARDS ALONG THE WALL{DO NOT TURN SCREEN YET} (the number of times you do this verys)
(8){Now you can turn}if you stand in center of a window and it shows only two bars then your good(IF THE GLITCH IS DONE COREECT THEN YOU SHOULD NOT SEE THROUGH THE OUTSIDE OF THE BARS
(9)Now the glitch is complete(if a zombie is breaking the barrier you are standing at then you should be able to knive him

my friend code is 3095-4556-1283