▁Trib une ▁ur ged ▁that ▁Chicago ▁police ▁officers ▁approaching ▁sus pected ▁Pan thers ▁" should ▁be ▁ordered ▁to ▁be ▁ready ▁to ▁shoot ." ▁ ▁The ▁F BI , ▁determined ▁to ▁prevent ▁any ▁enh ancement ▁of ▁the ▁B PP ▁leadership ' s ▁effect iveness , ▁decided ▁to ▁set ▁up ▁an ▁arms ▁ra id ▁on ▁Ham pton ' s ▁Chicago ▁a partment . ▁Inform ant ▁William ▁O ' Ne al ▁provided ▁them ▁with ▁detailed ▁information ▁about ▁Ham pton ' s ▁a partment , ▁including ▁the ▁layout ▁of ▁furn iture ▁and ▁the ▁bed ▁in ▁which ▁Ham pton ▁and ▁his ▁girl friend ▁sle pt . ▁An ▁augment ed , ▁ 1 4 - man ▁team ▁of ▁the ▁SA O ▁( Special ▁Pro sec utions ▁Unit ) ▁was ▁organized ▁for ▁a ▁pre - dawn ▁ra id ; ▁they ▁were ▁armed ▁with ▁a ▁search ▁war rant ▁for ▁illegal ▁weapons . ▁ ▁On ▁the ▁evening ▁of ▁December ▁ 3 , ▁Ham pton ▁taught ▁a ▁political ▁education ▁course ▁at ▁a ▁local ▁church , ▁which ▁was ▁attended ▁by ▁most ▁members . ▁After ward , ▁as ▁was ▁typical , ▁several ▁Pan thers ▁went ▁to ▁his ▁Mon roe ▁Street ▁a partment ▁to ▁spend ▁the ▁night , ▁including ▁Ham pton ▁and ▁Deb or ah ▁Johnson , ▁Bla ir ▁Anderson , ▁James ▁Gr ady , ▁Ron ald ▁" Doc " ▁S atch ell , ▁Harold ▁Bell , ▁Verl ina ▁Bre wer , ▁Louis ▁Tru el ock , ▁Br enda ▁Harris , ▁and ▁Mark ▁Clark . ▁There ▁they ▁were ▁met ▁by ▁O ' Ne al , ▁who