<p>The ongoing assassinations of anti-apartheid activists led to rumours that some kind of third force must be responsible. The South African government flatly denied any involvement. All investigations of the matter were met with stony silence.<br>The first crack in the wall came with the publication by the Vrye Weekblad newspaper of the extraordinary story of Dirk Coetzee, former Security Branch Captain. His tale of murder, kidnapping, bombing ...