1 just go to a camera shop (one is next to the warehouse entrance) and go to the wall with a sign, press B and you will replace the batteries. 2 Cletus is there only for a day, just wait it out, or shoot his head of (shoot him in the head for most damage) 3. there is no duck button T_T.

To rob007games You save at every restroom and in the 2 hideouts (Carlito's and the security room). Use the map the Otis gives you to look for save points (S).

Overtime mode is impossible. I got the Hella Copter achievement in overtime mode, but I can't seem to get the Special Ops outfit. (I know were to get it, but it is not there. P.S. behind the air ducts)