Here is a audio interview from NPR (Jul 2012) where they interview Dean King of Outside Magazine and Robert Koester of the Virginia Department of Emergency Management.

They discuss search & rescue lost person behavior for individuals with Autism & other cognitive disabilities.

Original link at : http://www.npr.org/2012/07/23/157239766/cognitive-disability-complicates-search-and-rescue

The story also makes reference to the following resources :

Robert Koester’s seminal work, called “Lost Person Behavior”.  You can read more about “Lost Person Behavior” here.