I get this question alot. The link below covers the basics. PM or post up if you have any more in depth questions. http://www.alarmsystemreviews.com/design-your-own-alarm-system.html
Its usually someone you know, or a crime of opportunity. Did you leave a door unlocked, or was entry forced? Did it seem like they knew where everything they took was, or was the place ransacked?
A few objective assumptions after reading this thread. 1. You guys got the ghey. 2. Northwest Ohio is all straight roads, which is why everyone up there has a busa or bird 3. Kawi traded his bike for an X-Box. 4.