One leader of this movement, subject of the film Cry, Freedom, was murdered on September 12, 1977, after having been severely beaten by police.
One late development in this movement was the creation of the National Forum, a pro-Marxist united front with members of  the Non-European Unity Movement to oppose the creation of a tricameral legislature. An external wing of this movement was founded in London by Nyameko Barney Pityana, and Mangosuthu Buthelezi claimed that his Inkatha Freedom Party was based on this movement's ideology. The origin of this movement, which promoted use of the term "Azania" that appears in the names of many of its successor organizations, is often identified as the 1969 secession of the South African Student Organization from the multiracial National Union of South African Students. One leader of this movement, subject of the film Cry, Freedom, was murdered on September 12, 1977, after having been severely beaten by police. For 10 points, Steve Biko is often identified as a martyr for what anti-apartheid movement of psychological liberation and empowerment through pride in being African? 
One late development in this movement was the creation of the National Forum, a pro-Marxist united front with members of  the Non-European Unity Movement to oppose the creation of a tricameral legislature.
Black Consciousness Movement [or BCM]