After being involved within the family business (lock smiths and security engineers) for 3 years whilst in college, you end up realising how insecure and inadequate 80% of the locks around you are.

Any person with a small degree of knowledge can do some serious amount of damage if they wanted to turn rouge. (Bump keys and Snappers) Saying that it is a very fascinating skill to learn, the social response to stating that you are a trained locksmith in conversations is quite interesting.