Who doesn't want to catch the bad guy?
Or bad girl?

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When you become a member of KnockKnockGotcha.com you will be notified of any activity in your specified Zip Code and by adding your Zip Code + 4 this helps to refine your location. By providing your mailing address we will send you Gotcha Gear that will help alert possible criminals that we are watching. We will never share or sell your information and we will never send you advertisements. Please consider joining us to help build the alliance against the bad guy, or bad girl.