1 0 ▁January ▁ 1 9 7 5 , ▁he ▁drove ▁to ▁a ▁farm house ▁in ▁Mul ly ash , ▁outside ▁Castle bl ay ney . ▁When ▁the ▁far mer , ▁an ▁elder ly ▁republic an ▁sympath iser , ▁went ▁to ▁tend ▁a ▁neighbour ' s ▁cow , ▁Ul ster ▁loyal ist ▁gun men ▁from ▁the ▁U VF ▁Mid - U l ster ▁Brigade ▁k icked ▁down ▁the ▁front ▁door ▁and ▁shot ▁Green ▁six ▁times ▁in ▁the ▁head ▁at ▁close ▁range , ▁killing ▁him ▁instantly . ▁To ▁the ▁Ul ster ▁Vol unte er ▁Force ▁in ▁mid - U l ster , ▁Green ▁was ▁a ▁high - profile ▁target . ▁According ▁to ▁journalist ▁Peter ▁Taylor , ▁the ▁kill ers ▁left ▁behind ▁some ▁bul lets ▁in ▁the ▁shape ▁of ▁the ▁letters ▁U VF . ▁The ▁U VF ▁claimed ▁responsibility ▁for ▁the ▁killing ▁in ▁the ▁June ▁ 1 9 7 5 ▁edition ▁of ▁its ▁magazine ▁Com bat . ▁Green ' s ▁killing ▁occurred ▁during ▁an ▁I RA ▁ce ase fire , ▁which ▁had ▁been ▁declared ▁the ▁previous ▁month . ▁ ▁Al leg ations ▁It ▁was ▁claimed ▁by ▁Royal ▁Ul ster ▁Const ab ul ary ▁( R UC ) ▁Special ▁Pat rol ▁Group ▁( SP G ) ▁officer ▁John ▁We ir , ▁that ▁the ▁U VF ▁kill ers ▁were ▁Robin ▁Jackson ▁( who ▁was ▁also ▁alleg edly ▁involved ▁in ▁the ▁ 1 9 7 4 ▁Dublin ▁car ▁bomb ings ▁as ▁well ▁as ▁a ▁series ▁of ▁sect arian ▁kill ings ), ▁Robert ▁Mc Con nell , ▁and ▁Harris