article_snippet: Scroll down for video .
article_snippet: Here SAM MARSDEN and RAY MASSEY analyse how co-pilot Andreas Lubitz took advantage of co-pilot Andreas Lubitz colleague’s toilet break to crash the plane .
article_snippet: The black box voice recorder recovered from the wreckage reveals that Mr Sonderheimer first knocked gently on the door seeking to get back in after Mr Sonderheimer brief toilet trip.
article_snippet: As the minutes passed and Mr Sonderheimer realised Mr Sonderheimer crazed
article_snippet: co-pilot was steering all 150 people on board to all 150 people on board deaths, Mr Sonderheimer became increasingly desperate and attempted to smash the door down.