... This scenario is just one more instance of local government
grappling with the conflicts created by aggressive religious
organizations that reduce their concerns to mere
"irrationality." ... It is not irrational to be concerned about the
itinerant neighbor, and certainly not about the itinerant neighbor
who is homeless.
http://writ.lp.findlaw.com/hamilton/20070308.html
"People Who experience mood swings, fear, voices and visions"