Maybe not organized, but usually specialized. To steal a bike, you need a set of tools (like a modified car jack http://www.citylab.com/navigator/2014/10/your-u

Maybe not organized, but usually specialized. To steal a bike, you need a set of tools (like a modified car jack http://www.citylab.com/navigator/2014/10/your-u-lock-is-basically-worthless-but-dont-worry/381818/ http://www.citylab.com/navigator/2014/10/your-u-lock-is-basi...) and knowledge of where to sell the parts.