An ounce of prevention is worth a pound of cure" that saying is as true for crime, as it is for health. After taking literally thousands of reports over the years I spent as a police officer; I found that a lot of crimes that had happened could have been prevented. The easiest and most effective way of dealing with crime is not be a victim of it in the first place. This is easier said then done, and no matter how cautious you are you can still be a victim. Nothing will give you a 100% guarantee; however, there are things you can do to at least limit your odds of being a victim. But first; you have to know what you are preventing yourself from, in order to know how to prevent against it. This article will in general show you some of the common criminal types, and give some suggestions on how to avoid them. I have made up my own classifications for these people based upon my experience as a police officer.