 The commission alleged that the U.S. military repeatedly conducted indiscriminate attacks , failing to distinguish between combatants and non @-@ combatants . In its most significant finding , the commission also confirmed that South Korean authorities had summarily executed thousands of suspected leftists in South Korea – possibly 100 @,@ 000 to 200 @,@ 000 – at the outbreak of the war , sometimes with U.S. Army officers present and taking photographs . 
