▁died ▁on ▁Pal m ▁Sunday , ▁ 1 ▁April ▁ 2 0 1 2 . ▁ ▁Hill ' s ▁papers ▁are ▁held ▁at ▁D art mouth ▁College . ▁ ▁References ▁ ▁External ▁links ▁▁ 2 0 0 4 ▁Story ▁in ▁The ▁Guardian ▁regarding ▁Hill ' s ▁dis g ust ▁with ▁human ▁rights ▁ab uses ▁by ▁Argent in ian ▁gener als , ▁published ▁by ▁U ki ▁Go ñ i ▁but ▁without ▁appropriate ▁credit ▁ 1 7 ▁years ▁after ▁an ▁article ▁by ▁Martin ▁Ed win ▁Anders en , ▁" K iss inger ▁and ▁the ▁' Dir ty ▁War ,' " ▁appeared ▁in ▁The ▁Nation ▁on ▁ 3 1 ▁October ▁ 1 9 8 7 ▁ ▁that ▁broke ▁the ▁story ▁about ▁Hill ▁fighting ▁behind ▁closed ▁doors ▁against ▁Secretary ▁of ▁State ▁Henry ▁K iss inger ' s ▁" green ▁light " ▁to ▁the ▁ne o - N azi ▁jun ta ▁for ▁their ▁" dir ty ▁war ." ▁How ▁Much ▁Did ▁the ▁US ▁Know ▁About ▁the ▁Kid n apping , ▁T ort ure , ▁and ▁Mur der ▁of ▁Over ▁ 2 0 , 0 0 0 ▁People ▁in ▁Argentina ? ▁ ▁Now , ▁President ▁Ob ama ▁has ▁the ▁chance ▁to ▁apolog ize ▁for ▁American ▁comp licity ▁in ▁the ▁dirty ▁war . ▁Martin ▁Ed win ▁Anders en , ▁The ▁Nation , ▁ 4 ▁March ▁ 2 0 1 6 . ▁K iss inger - respond s ▁ 1 9 ▁February ▁ 1 9 8 8 ▁letter ▁from ▁K iss inger ▁to ▁Victor ▁Nav ask y , ▁Editor ▁of ▁The