There is a new product called Emfinders. Emfinders utilizes a GPS tracking device so that a search can be performed if someone with Alzheimers/Autism/Dementia wanders off. Emfinders works incoordination nationally with 911 emergency services and is the only device that can find a love one trapped inside or behind a building.

For more information check it out yourself @ http://www.emfinders.com/

Best wishes everyone