the actual bins are generally collected and brought in presence of you so as to have a look. however, there are plenty of ways to locate someone if they have been arrested. however, the people signing the deal are never the people who will be using the system, or the ones who will be building it. in my opinion, there is not a substantial difference between the beginner, advanced beginner, and easy patterns in this book. everybody else does this better than you do. please be thorough so that we may answer your question as accurately as possible. 