All the locks on our doors are missing a tumbler for three years. Instead of five tumblers I have four. I find this out when I stumble upon two keys laying around a street corner and decide to use them to open our entrance and back doors. They open fairly quickly with a couple of quick twists and slide. Peeking inside the keyhole shows four tumblers. The family is hardly home and always off to church on Sundays. We're not worried about losing our possessions but we love to keep honest people, honest. What steps can I take to keep the lock secure again?
Thanks.