hartmut hopp was paul schafer's number two in colonia dignidad.lso head of the hospital, he is said to have used psychiatric drugs to pacify residents. in 2011 the chilean authorities sentenced hopp to five years in prison for aiding and abetting the sexual abuse of minors, but he'd already fled the country for germany. his citizenship here has protected him from extradition. so far. >> there's been very little progress in terms of prosecutions in chile, and practically nothing in germany. some of the perpetrators of colonia dignidad are fugitives who have been sentenced in chile. people like hartmut hopp have fled to germany to escape justice, while investigators here are not doing enough in my opinion. >> born in chile, erick zott now lives in austria. his entire time in colonia was as a prisoner of the chilean secret police. the least he hopes for is that one of the culprits from back then shows remorse. >> if just somebody would say sorry for something. that would mean a lot to me. we all deserve something like that. >> colonia dignidad is now