GUATEMALAN ARMY WAGED 'GENOCIDE,' NEW REPORT FINDS
Independent truth commission report concludes that United States gave money and training to Guatemalan military that committed 'acts of genocide' against Mayans during Guatemala's 36-year brutal civil war; report contradicts years of official denials of torture, kidnapping and executions of thousands of civilians in war that commission estimates killed more than 200,000 people; commission's nine-volume report lists Central Intelligence Agency training of Guatemalan officer corps in counterinsurgency techniques as key factor that had significant bearing on human rights violations during armed confrontation; staff member of commission says panel also found evidence that United States had knowledge of genocide and still supported Guatemalan military; commission was set up as part of United Nations-supervised peace accord that ended war in 1996; photo (M)