伊朗政权已存活超过四十年 — — 经受住制裁和反复出现的民众动荡。德国之声调查部和波斯语服务的新调查提出了一个关系到其持续生存核心的问题：谁在防止政权崩溃？
Iranian regime has survived for more than four decades — weathering sanctions, and repeated waves of popular unrest A new investigation by DW's investigative unit and Persian service asks a question that goes to the heart of its ongoing survival: Who keeps the regime from crumbling?
德国之声调查部花费数月时间秘密与伊朗安全机构的两名高级叛徒通信。
DW's investigative unit spent months secretly corresponding with two high-ranking defectors from Iran's security apparatus.
他们描述了一套不仅镇压反对派，而且旨在阻止本国人民 ever 选择抵抗的体系。
They describe a system that doesn't just crush opposition — but is built to prevent its own people from ever choosing to resist.