As it continues its investigation of Mamu Tukur, the self-appointed bandit negotiator, the DSS extended its raid to the relatives and associate of the embattled publishers.
Mamu’s father-in-law was arrested Thursday night, after the publisher’s home and office in Kaduna were raided early Thursday.
The service also visited the house of Mamu’s brother-in-law Ibrahim Tinja.
Tinja was with Mamu and his family in Cairo, en route to Saudi Arabia, on Tuesday when all of them were repatriated.
The DSS insisted Mamu has link with terrorists in Egypt’s Mount Sinai, and other parts of Africa and the Middle East.