The Wilby Conspiracy

The Wilby Conspiracy is a 1975 thriller film directed by Ralph Nelson and filmed in Kenya. It was written by Rodney Amateau, based on the 1972 novel by Peter Driscoll. It had a limited release in the US.

At Police Headquarters, an SAP Brigadier Patrick Allen is criticised by Major Horn Nicol Williamson of the South African Bureau of State Security BOSS for not only arresting Shack but continuing with their random identity checks and arrests that have infuriated world opinion.The three fugitives are followed and monitored by BOSS to lead them to discover their escape route to Botswana and its facilitators, two Indian dentists a stash of stolen uncut diamonds being used to fund the Black Congress African National Congress and the leader of the Black Congress, a man named Wilby Joe De Graft. ........

Source: Wikipedia