▁the ▁first ▁to ▁fire ▁sh ots . ▁But ▁a ▁later ▁investigation ▁found ▁that ▁the ▁Chicago ▁police ▁fired ▁between ▁nin ety ▁and ▁nin ety - n ine ▁sh ots , ▁while ▁the ▁only ▁Pan thers ▁shot ▁was ▁a ▁bullet ▁that ▁hit ▁the ▁ce iling ▁from ▁Mark ▁Clark ' s ▁fallen ▁shot gun . ▁▁ ▁After ▁the ▁ra id , ▁the ▁a partment ▁was ▁left ▁un guard ed . ▁The ▁Pan thers ▁sent ▁some ▁members ▁to ▁investigate , ▁accompanied ▁by ▁a ▁vide ograph er ▁to ▁document ▁the ▁scene . ▁The ▁foot age ▁was ▁later ▁released ▁as ▁part ▁of ▁the ▁ 1 9 7 1 ▁document ary ▁The ▁Mur der ▁of ▁Fred ▁Ham pton . ▁After ▁a ▁break - in ▁at ▁an ▁F BI ▁office ▁in ▁Pennsylvania , ▁the ▁existence ▁of ▁CO IN TE L PRO , ▁an ▁illegal ▁counter - int elligence ▁program , ▁was ▁revealed ▁and ▁reported . ▁With ▁this ▁program ▁revealed , ▁many ▁activ ists ▁and ▁others ▁began ▁to ▁suspect ▁that ▁the ▁police ▁ra id ▁and ▁the ▁shooting ▁of ▁Fred ▁Ham pton ▁were ▁conducted ▁under ▁this ▁program . ▁One ▁of ▁the ▁documents ▁released ▁after ▁the ▁break - in ▁was ▁a ▁floor ▁plan ▁of ▁Ham pton ' s ▁a partment . ▁Another ▁document ▁out lined ▁a ▁deal ▁that ▁the ▁F BI ▁bro ker ed ▁with ▁the ▁US ▁deput y ▁att orney ▁general ▁to ▁conce al ▁the ▁F BI ' s ▁role ▁in ▁the ▁killing ▁of ▁Ham pton ▁and ▁the ▁existence ▁of ▁CO IN TE L PRO . ▁ ▁After math ▁ ▁At ▁a ▁press