It’s “One Flew Over the Cuckoo’s Nest” on Wards Island.
For the past three months, staff at the massive Manhattan Psychiatric Center have been “nonchalantly” trudging dangerous inmates — including the “Butcher of Tompkins Square Park” — through the facility’s non-criminal side to get them some fresh air since a plumbing mishap conked out the facility’s elevators, insiders told The Post.
“The forensic patients love it,” said Dr. Catherine Mortiere, a psychologist who works at the hospital, which houses both criminally insane and private patients. “They get to go through the civil hospital.”…