Like in the movie: Inmate digs his way out of prison and into freedom - “Nobody will be accommodated like this anymore”. “The escape itself is not criminalized by the criminal code.” escapes from enclosed prisons are “the absolute exception” in the Bavarian penal system.
The hole in the wall was immediately bricked up and plastered. A bright spot still reminds us of the escape. But further measures were also taken to ensure that no one follows Christan B's example.