All twelve were detained by Turkish police on October 19, in an operation against members of Socialist Party of the Oppressed (ESP), Socialist Youth Club's Federation (SGDF), Law Office of the Oppressed (EHB). An editor and a correspondent of Etkin News Agency (ETHA) were also detained.

ETHA editor Isminaz Temel, ETHA correspondent Havva Custan and other appeared before a judge on Wednesday. The court decided to arrest all 12 activists and sent them to prison.

The names of the arrested are: İsminaz Temel, Havva Cuştan, Özgen Sadet, Onur Binbir, Hünkar Yurtseven, İlhan Aslan, İsmail Geçkin, Özlem Gümüştaş, Avukat Sezin Uçar, Erkan Kakça, Meral Tatar and Mazlum Demirtaş.