Heidari was previously arrested in 2009 in the aftermath of that year's disputed presidential election on charges of “assembly and collusion against national security,” and spent 17 days in detention before release.
اعتُقل حيدري سابقًا في 2009 بتهمة "التجمع والتواطئ ضدَّ الأمن العام" مدة سبعة عشر يومًا.