Despite all the efforts to remain in secrecy, in the 1970s, Mohtadi was arrested three times; with his last arrest, Abdullah sentenced to spent more than three years in imprisonment for his activism against the shah regime. Lastly, after the failure of SAVAK to provide any evidence regarding Mohtadi's political actions being, he released from prison and now, his party should cope with its most important era of the pre-Islamic Revolution Iran.[17]