dr. sottile checks on 59 year old chris turner. serving a sentence for kidnapping and sodomy, he's also being punished for punching a nurse in the stomach. how are you doing with your arm motions? >> they seem to be a lot better now that you mention it... >> he came to us a couple of years ago with huntington's chorea. that is a genetic disease that is gradually progressive and the patient has these movements that are purposeless-he can't control his movement. and eventually, what happens is it affects his ability to swallow. and eventually, they deteriorate, they lose weight and they die. >> this unit houses 30 beds - and it's almost always full. >> mr. johnson... >> yes sir... >> how are you? >> fine,thank you sir. >> how are you doing today? in the outside world, inmate robert johnson was a heavy gambler... >> donald trump flew me all over the world - hong kong and all over... >> you have to be kidding >> oh yeah...i'm not kidding you...i his private jet. - ...until his wife cancelled his credit line at the casinos. >> cause i p