The most infamous war crime was the Hill 303 massacre on August 17 , when 41 US prisoners of war were killed by KPA driving on Taegu . The crime led UN Commander Douglas MacArthur to warn the North Koreans via leaflets and broadcasts that they would be held responsible for such crimes . KPA commanders are known to have issued more stern orders regarding treatment of prisoners of war after these incidents , though such atrocities continued
Hill 303 massacre
Hill 303 massacre
Battle of Pusan Perimeter