Tan was taken into custody and later released on probation as a part of the investigation run by Diyarbakır Chief Public Prosecution. Diyarbakır 5th High Criminal Court has approved the 304-pages indictment about Tan.
Altan Tan bi sûcên “avakirin û rêvekirina rêxistina terorî”, “di bûyerên 6-7ê Cotmehê de tehrîkirina ji bo sûcê”, “muxalefeta li dijî qanûna 2911”, “propagandakirina rêxistina terorî” tê sûcdarkirin û heta 38,5 salan ceza ji bo wî tê xwestin.