After returning to Iran, the National Spiritual Assembly appointed Kamran as a member of the Legal Board to defend the rights of the Baháʼís.

[1][2][3][4][5][6] According to Amnesty International, in November 1981, the Iranian authorities arrested eight members of the National Spiritual Assembly at the house of Zoghullah Momen.

On December 13, 1981, Kamran Samimi along with Jinous Mahmoudi, Mahmoud Majzoob, Jalal Azizi, Mehdi Amin Amin, Ezzat Forouhi, Sirous Rowshani, and Ghodrat Rouhani was arrested and taken to prison.

[1][2][3][4][5][6][7][8][9] The execution of Kamran and the other members of the National Spiritual Assembly was not officially announced on December 27, 1981.

First, the government denied it, but then, Abdul-Karim Mousavi Ardebili, who was the head of the Judicial System of Iran, announced that eight Baháʼís were executed.