During the Korean War , tens of thousands of suspected communists and communist sympathizers were killed in what came to be known as the Bodo League massacre . Estimates of the death toll vary . According to Prof. Kim Dong-Choon , Commissioner of the Truth and Reconciliation Commission , at least 100,000 people were executed on suspicion of supporting communism . The overwhelming majority – 82 % – of the Korean War-era massacres that the Truth and Reconciliation Commission was petitioned to investigate were perpetrated by South Korean forces , with just 18 % of the massacres being perpetrated by North Korean forces
Bodo League massacre
Bodo League massacre
Anti-communist mass killings