▁had ▁prepared ▁a ▁late ▁dinner , ▁which ▁the ▁group ▁a te ▁around ▁mid night . ▁O ' Ne al ▁had ▁sli pped ▁the ▁bar bit ur ate ▁sleep ▁agent ▁sec obar bit ol ▁into ▁a ▁drink ▁that ▁Ham pton ▁consum ed ▁during ▁the ▁dinner , ▁in ▁order ▁to ▁sed ate ▁Ham pton ▁so ▁he ▁would ▁not ▁aw aken ▁during ▁the ▁subsequent ▁ra id . ▁O ' Ne al ▁left ▁at ▁this ▁point , ▁and , ▁at ▁about ▁ 1 : 3 0   a . m ., ▁December ▁ 4 , ▁Ham pton ▁fell ▁as leep ▁mid - sent ence ▁talking ▁to ▁his ▁mother ▁on ▁the ▁tele phone . ▁Although ▁Ham pton ▁was ▁not ▁known ▁to ▁take ▁dru gs , ▁Cook ▁County ▁chem ist ▁Ele an or ▁B erman ▁would ▁report ▁that ▁she ▁ran ▁two ▁separate ▁tests ▁which ▁each ▁showed ▁evidence ▁of ▁bar bit ur ates ▁in ▁Ham pton ' s ▁blood . ▁An ▁F BI ▁chem ist ▁would ▁later ▁fail ▁to ▁find ▁similar ▁traces , ▁but ▁B erman ▁stood ▁by ▁her ▁find ings . ▁▁▁ ▁The ▁ra id ▁was ▁organized ▁by ▁the ▁office ▁of ▁Cook ▁County ▁State ' s ▁Att orney ▁Edward ▁Han ra han , ▁using ▁officers ▁attached ▁to ▁his ▁office . ▁Han ra han ▁had ▁recently ▁been ▁strongly ▁critic ized ▁by ▁Ham pton , ▁who ▁said ▁that ▁Han ra han ' s ▁talk ▁about ▁a ▁" war ▁on ▁gang s " ▁was ▁really ▁r het or ic ▁used ▁to ▁enable ▁him ▁to ▁carry ▁out ▁a ▁" war ▁on ▁black ▁youth