Over the years that followed, his regime became increasingly repressive, persecuting opposition leaders and dissidents from within the ruling Guinean Democratic Party (PDG).

Achkar Marof, actor and former Guinean ambassador to the United Nations, was recalled to Guinea in 1968, arrested and jailed at Camp Boiro.

[7] A total of 87 people were arrested and detained in the camp, including the Minister of Economy & Finance, Diawadou Barry.

The camp commandant Siaka Touré managed to hide, but General Lansana Diané, minister of Defence, was captured.

[12] Alassane Diop, who was Senegalese in origin, a former Minister of Information in Guinea was arrested and held in Camp Boiro for ten years, returning to Senegal after his release.

[13] The prisoners were given little food other than a scrap of bread the size of a box of matches in the morning, and a ladle of plain rice cooked in dirty water in the evening.

[18] According to El Hadj Ibrahima Diane, an inmate for many years, from June 1972 until August 1973 at least four corpses were taken from the cells each day and thrown into mass graves in the rear yard of the prison.

The book Prison D'Afrique by Jean-Paul Alata, a survivor from the camp, was banned from publication in France and had to be printed in Belgium.

Diallo Telli was a popular politician, loyal to the regime, and former Secretary General of the Organization of African Unity (OAU).

[25] In September 1983 the government announced they had uncovered a plot to sabotage a meeting of the OAU planned to be held in Conakry the next year.

[26] After the death of Sékou Touré in 1984, the military took power in a coup d'état and released many of the political prisoners at Camp Boiro.

[29] The council of ministers issued a communique on 27 August 1991 for renovation of the camp and construction of a memorial to all the victims, but no action followed.