I used to deliver coffee at Fairfield Hills hospital, and when I was a program coordinator for a mental health clinic, I got to know some of the people who used to stay there. Reports of people being chained to the wall in the cellars, and one catatonic patient left alone for so long in one spot, his legs fused together! not sure i believe that one, but I know the tunnels were used to move patients from one building to another to prevent thier just running into the woods. I have a document given to me by the staff there detailing the atrocities. Its now a state parks and rec facility. Very peaceful place (in the daytime) but still gives you chills knowing what went on there.