I haven't had to deal yet with the wandering concerns, but I do know that if you go to www.disabilitysolutions.com
you can ******** an archived issue of a great newsletter on wandering. It is a concern that is fairly common among parents of children with DS. While there, sign up for the newsletter...it is GREAT (and free), and pertains to DS and other related disabilities.
J-, mommy of 4 girls, the youngest with Down syndrome