▁cancer - str icken ▁sister ▁playing ▁with ▁her ▁young ▁son , ▁foot age ▁Ben ▁showed ▁to ▁Jul iet ▁in ▁" One ▁of ▁Us ". ▁ ▁Al pert ▁encountered ▁Lock e ▁once ▁again , ▁in ▁ 2 0 0 4 , ▁when ▁the ▁latter ▁in fil tr ated ▁the ▁Bar ra cks , ▁now ▁the ▁O thers ' ▁community , ▁in ▁" The ▁Man ▁from ▁T alla has see ". ▁Lock e ▁destroyed ▁their ▁sub marine ▁to ▁prevent ▁Jack ▁and ▁Jul iet ▁from ▁leaving ▁the ▁island ▁and ▁was ▁captured . ▁At ▁Ben ' s ▁request , ▁Al pert ▁fetch ed ▁Anthony ▁Cooper ▁( Ke vin ▁Tig he ), ▁Lock e ' s ▁father . ▁Ben ▁arranged ▁for ▁Lock e ▁to ▁kill ▁Cooper ▁in ▁front ▁of ▁the ▁O thers ▁as ▁his ▁init iation ▁in ▁" The ▁Brig ", ▁knowing ▁Lock e ▁would ▁not ▁be ▁able ▁to ▁do ▁so . ▁Lock e ▁was ▁thus ▁public ly ▁hum ili ated ▁when ▁he ▁refused . ▁The ▁next ▁day , ▁Al pert ▁hint ed ▁to ▁Lock e ▁that ▁he ▁was ▁unh appy ▁with ▁Ben ' s ▁leadership ▁and ▁informed ▁him ▁S aw yer ▁had ▁a ▁connection ▁to ▁Cooper ▁which ▁would ▁make ▁him ▁kill ▁the ▁latter , ▁Cooper ▁having ▁been ▁the ▁man ▁whose ▁con ▁inspired ▁the ▁murder / su ic ide ▁of ▁his ▁parents . ▁Al pert ▁was ▁then ▁instruct ed ▁by ▁Ben ▁to ▁take ▁the ▁O thers ▁to ▁" the ▁Temple ," ▁a ▁safe ▁haven , ▁while ▁Ben ▁negoti ated ▁with ▁the ▁Fl ight ▁ 8 1 5 ▁surv