I don't know anything about the army, but the police force doesn't have the best reputation in terms of corruption, with a few scandals being in the papers just recently.

Very often family ties will be more importatnt than the law and I have heard of some shady dealings being done.

I did read in one of the papers though that the police here were sending some staff over to england to be trained on how to stamp out corruption in the force. Not sure how accurate that is but worth thinking about!