To this day, just the name of this military base is enough to frighten any Guinean old enough to remember Sékou Touré's regime. Many dissidents (real or imagined) were imprisoned here; many were tortured and killed.
Former prisoners were on hand to describe their experiences. Mr. Diallo was a high-school administrator when he was arrested as part of the "Teacher's Plot" purge of 1961. He was in prison for six years without ever having been tried or sentenced.