▁some ▁were ▁also ▁st ab bed ▁with ▁a ▁kn ife . ▁After ▁an ▁extensive ▁man h unt , ▁Stone ▁was ▁found ▁dead ▁on ▁the ▁day ▁after ▁the ▁kill ings ▁in ▁the ▁woods ▁near ▁his ▁home . ▁He ▁reported ly ▁committed ▁suic ide ▁by ▁over d osing ▁on ▁several ▁dru gs . ▁ ▁Events ▁ ▁K illing ▁sp ree ▁According ▁to ▁an ▁aff id av it ▁file d ▁by ▁pro sec utors , ▁Stone ▁was ▁armed ▁with ▁two ▁hand g uns ▁( a ▁. 4 0 - cal iber ▁He ck ler ▁& ▁Koch ▁and ▁a ▁ 9 mm ▁Ber etta ) ▁and ▁at ▁least ▁one ▁kn ife . ▁The ▁first ▁kill ings ▁occurred ▁inside ▁a ▁home ▁in ▁Sou der ton ▁at ▁about ▁ 3 : 3 0   a . m . ▁Stone ▁attacked ▁his ▁former ▁sister - in - law , ▁her ▁husband , ▁and ▁the ▁couple ' s ▁ 1 4 - year - old ▁daughter ▁and ▁ 1 7 - year - old ▁son . ▁The ▁couple ▁and ▁their ▁daughter ▁died , ▁while ▁the ▁boy ▁surv ived ▁" sign ific ant ▁cutting ▁inj uries " ▁and ▁bl unt - force ▁tra uma ▁to ▁the ▁head . ▁He ▁was ▁eventually ▁taken ▁to ▁the ▁Thomas ▁Jefferson ▁University ▁Hospital ' s ▁tra uma ▁center ▁in ▁Philadelphia ▁for ▁treatment . ▁The ▁first ▁crime ▁scene ▁was ▁not ▁discovered ▁until ▁nearly ▁ 8 : 0 0   a . m . ▁Stone ▁then ▁went ▁to ▁a ▁home ▁in ▁L ans dale , ▁where ▁he ▁killed ▁his