Rubuta ci gaba ga wannan sakin layi - Derian, wanda ya jagoranci tawagar Hukumar Kare Hakkin Dan Adam ta Amurka a 1979 don bincika rahotannin cin zarafin 'yancin dan adam
a Argentina, ya koma Buenos Aires a shekarar 1985 don ya ba da shaida a shari'ar tarihi na Juntas. An nakalto ta a cikin takardu a cikin Tarihin Tsaro na Kasa da ke zargin shugabannin sojoji a fili da azabtar da fursunoni a wani taro a Argentina a shekarar 1977. Wani dan jarida dan kasar Argentina, Jacobo Timerman, wanda gwamnatin mulkin mallaka ta azabtar, ya yaba wa Derian da ceton shi daga kisa. Ta goyi bayan shugaban Philippine Benigno Aquino Jr. da kuma dan adawar Koriya ta Kudu Kim Dae-jung. (Lokacin da aka zabi Kim a matsayin shugaban kasa an gayyace ta a matsayin baƙo na musamman a bikin rantsar da shi.) A watan Disamba na 2016, an bayyana cewa Derian ta kawar da fayilolin Ma'aikatar Harkokin Wajen ta jim kaɗan kafin rantsar da Ronald Reagan a ranar 20 ga Janairu, 1981 (wanda ya yi wa Derian ba'a, yana cewa ya kamata ta "yi tafiya mil guda a cikin moccasins" na masu mulkin mallaka na soja kafin ta soki su) saboda tsoron cewa waɗanda aka naɗa siyasa "za su iya raba waɗannan sunaye da bayanan su tare da gwamnatocin ƙasashen waje masu zalunci wanda zai sanya masu ba da rahotonta cikin haɗari".