While this is and remains amazingly interesting, it does need a (2014) in the title.
Background material: https://www.ccc.de/en/updates/2013/ccc-breaks-apple-touchid
Primary source: https://www.ccc.de/en/updates/2014/ursel and video (in German) https://media.ccc.de/v/31c3_-_6450_-_de_-_saal_1_-_201412272...
Instructions (in German): https://www.ccc.de/de/campaigns/aktivitaeten_biometrie/finge...