Turning true stories into TV or movie dramas is a process fraught with danger. Get it wrong and there will be no shortage of real life figures portrayed onscreen ready to tell you how you failed them. Even if you get much of it right, someone will find a dramatic liberty taken and fume. HBO's 'The Staircase' is a good example. Filmmaker Jean Xavier de Lestrade, whose documentary inspired HBO's miniseries, has declared he feels betrayed by the way storylines had been altered by the showrunner and director Antonio Campos after opening up his archive to him. The original documentary series' editor Sophie Brunet, who is portrayed by Juliette Binoche in the drama, has also been angered by her depiction in the miniseries - claiming it has undermined her professional credibility. Petersen, the suspected murderer portrayed by Colin Firth, has blamed de Lestrade for the unhappiness around HBO's adaptation, accusing him of pimping his family's story out to Campos an