erick zott is happy to see berlin now taking these steps. >> i value what the minister said. think it's a new start on this front. >> not all of the victims invited to berlin see things that way, however. >> what's missing is an undertaking to compensate us. i left the colony a decade ago, and we're still waiting. reporter: and they're waiting for the perpetators to be punished. hartmut hopp was paul schafer's number two in colonia dignidad. also 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 opi