One of them was Helen Suzman. For thirteen years she was the sole Progressive Party member in Parliament and often the only person to challenge the oppressive apartheid laws. An example of courage and integrity, she visited prisons and scenes of forced removals, and exposed police torture.In 1961, Lilliesleaf Farm in Rivonia was purchased by Arthur Goldreich as headquarters for the underground Communist Party and a safe house for political fugitives. In July 1963, security police raided the farm and captured nine leaders of the underground. Together with Nelson Mandela, they were charged with sabotage in the Rivonia Trial. The trial, which ran from October 1963 to June 1964, culminated in the imposition of life sentences for eight of the accused. All five whites apprehended were Jewish.