The Department of State Services on Thursday night September 8, arrested Mamu’s father-in-law, Abdullahi Mashi.
It was learnt that DSS operatives also visited the house of Mamu’s brother-in-law, Ibrahim Tinja.
This is as the security operatives continue to clamp down on Mamu’s associates hours after invading his residence and office in Kaduna.
Mamu and four members of his family were arrested at the Malam Aminu Kano International Airport on Wednesday after they were deported from Egypt on the request of Nigeria’s intelligence agencies.
Mamu was arrested while travelling to Saudi Arabia for a lesser hajj together with his two wives, his eldest son, Faisal Mamu and brother-in-law, Tinja.
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Although, Mamu’s wives have been released, the publisher of Desert Herald Newspaper, his son and brother-in-law are still in custody.
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