Teaching Prisoners GermanTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video01/03/2013January 3, 2013After she retired from her conventional teaching job, Ingeborg Maskallis spent 9 years giving German lessons at a prison. Now the 86-year-old has decided to "retire" for a second time. We accompany her on her last visit to her students.https://p.dw.com/p/16npGAdvertisement