our ▁to ▁Ab original ▁people ▁living ▁at ▁K ang ar oo ▁Creek , ▁south ▁of ▁G raft on . ▁Tw enty - three ▁people ▁died ▁in ▁ag ony ▁and ▁C out ts ▁was ▁sent ▁for ▁trial ▁in ▁Sydney , ▁but ▁the ▁strong ▁evidence ▁against ▁him ▁was ▁de emed ▁ins u fficient ▁for ▁the ▁trial ▁to ▁proceed . ▁April ▁ 1 8 4 9 . ▁Frederick ▁Walker ▁and ▁his ▁newly - formed ▁Native ▁Police ▁tro op ers ▁shot ▁dead ▁five ▁Ab original ▁people ▁on ▁the ▁Dar ling ▁River ▁ 1 0 0   km ▁south ▁of ▁Bour ke . ▁ 1 8 4 9 . ▁Mass acre ▁of ▁Mur uw ari ▁people ▁at ▁Hospital ▁Creek ▁in ▁B rew arr ina ▁district . ▁There ▁are ▁differ ing ▁accounts ▁of ▁this ▁event , ▁but ▁one ▁alleg es ▁that , ▁a ▁white ▁stock man ▁at ▁Wal cha ▁H ut ▁( now ▁called ▁B rew arr ina ), ▁ab duct ed ▁an ▁Ab original ▁woman . ▁The ▁stock man ▁was ▁war ned ▁by ▁the ▁woman ' s ▁fellow ▁tribe ▁members ▁to ▁release ▁her . ▁When ▁the ▁stock man ▁refused ▁to ▁release ▁the ▁woman , ▁they ▁were ▁both ▁killed . ▁ 1 8 4 9 . ▁Mass acre ▁of ▁Ab original ▁people ▁at ▁But ch ers ▁Tree ▁near ▁B rew arr ina , ▁along ▁the ▁Bar won ▁River , ▁and ▁on ▁the ▁Nar ran ▁River . ▁▁ 1 8 5 0 s ▁▁▁▁ 1 8 5 4 . ▁East ▁Ball ina ▁mass acre . ▁Ar ound ▁ 4 0