 In the civil sphere, student protests and activism were a major concern of the NSO, a government crackdown on student activism led to the proscription of the National Union of Nigerian Students (NUNS) in 1978 and the arrest and detention of its members and lawyer, Chief Gani Fawehinmi.In 1988, Nobel Laureat Professor Wole Soyinka a notable human rights campaigner received a letter from an inmate of a previously unknown ultra-secret detention facility, he gave the letter to the Civil Liberties Organization (CLO) to investigate.The secret detention center was later discovered on Ita-Oko Island, a remote island located in the Lekki Lagoon in the east of Lagos.