There’s a common problem faced by Alzheimer's and Dementia patients all over the world: lost in their memories, they sometimes get disoriented, and wander off. When this happens, they can end up far from home and frightened, or even hurt. So what are you supposed to do if your loved one--a parent, a grandparent--begins to wander in this way? Often times the only solution is to lock them up. Which just feels cruel. But what else are you supposed to do if you want to keep them safe? Lulu Miller asks Richard Neureither and Regine Hauch to explain the novel solution used at Benrath Senior Center in Düsseldorf, Germany.