 Sometimes the "people's courts" made mistakes, or they used the system to punish those whom the anti-Apartheid movement's leaders opposed.A tremendous controversy arose when the practice was endorsed by Winnie Mandela, then the wife of the then-imprisoned Nelson Mandela and a senior member of the African National Congress.More recently, drug dealers and other gang members have been lynched by People Against Gangsterism and Drugs, a vigilante organization.