Inmate Escapes From Swedish Prison, Goes To Dentist, Turns Self Back In: Report

... to a translation by The Local. It's tough to say whether this was the weirdest prison break-out. In September 2012, a yoga master was reported to have used his superior flexibility to slip through the food slot of a prison cell in Korea. In 1975, an ...

http://www.huffingtonpost.com/2013/12/01/inmate-escapes-prison-dentist-sweden_n_4368276.html