our reporter gunnar koehne has lived and worked in turkey for over 20 years. in the last few years, he has witnessed first hand how the climate for those who are critical of the government from academics to journalists has deteriorated. and after the coup, things only got worse. many newspapers, magazines and tv stations were closed, several journalists were taken into custody including one of gunnar's friend's. we follow gunnar as he tries to find out what happened to him. >> they came for him in the early hours of the morning. aydin engin was led from his home by the police. he's not the first turkish journalist to be arrested in this way. aydin abi, as the 75-year-old newspaperman is respectfully called, is a good friend and conversation partner for us german journalists in istanbul. i'm very worried about him. he has never tired of explaining and commenting on turkish politics for us, like he did this july after the failed coup. and always with a touch of humor. >> this is the first coup that hasn't landed me in jail. >> on november 1st aydin engin's colum