escape games - Lock-Up

This time its our duty to save the law and order of the town. Don't get over excited, your task is not that hard. The cops had got hold of a criminal and they took him to the police station. He has to be put into the lock-up. For the cops' unluckiness the key for opening the lock-up is missing. All you have to do is to find that key and put the criminal in the lock-up. Good luck, save the day.