ar ms ▁and ▁knew ▁how ▁to ▁leg ally ▁purchase ▁them . ▁He ▁would ▁eventually ▁receive ▁the ▁title ▁of ▁" Field ▁Marsh al " ▁in ▁ 1 9 6 8 , ▁and ▁would ▁later ▁use ▁the ▁mon iker ▁" Field ▁Marsh al ▁DC " ▁while ▁campaign ing ▁for ▁the ▁B PP . ▁ ▁C ox ▁became ▁a ▁national ▁organ izer ▁and ▁sp ok esp erson ▁for ▁the ▁group , ▁which ▁was ▁involved ▁in ▁multiple ▁legal ▁cases ▁and ▁a ▁target ▁of ▁the ▁CO IN TE L PRO ▁project ▁of ▁the ▁United ▁States ▁Federal ▁Bureau ▁of ▁Investig ation . ▁In ▁January ▁ 1 9 7 0 , ▁C ox ▁was ▁invited ▁to ▁speak ▁to ▁several ▁dozen ▁guests ▁of ▁composer ▁Leonard ▁Bern stein ▁and ▁his ▁wife ▁Fel icia ▁at ▁their ▁pent house ▁a partment ▁in ▁the ▁wealth y ▁Upper ▁East ▁Side ▁neighborhood ▁of ▁Manh attan . ▁The ▁gather ing ▁was ▁an ▁effort ▁to ▁raise ▁funds ▁for ▁the ▁defense ▁of ▁twenty - one ▁Black ▁Pan ther ▁members ▁who ▁were ▁charged ▁with ▁consp i racy ▁to ▁bomb ▁buildings ▁and ▁other ▁cr imes . ▁C ox ▁was ▁fam ously ▁photograph ed ▁along ▁with ▁the ▁Bern ste ins ▁for ▁a ▁cover ▁story ▁ess ay ▁by ▁Tom ▁Wol fe ▁in ▁New ▁York ▁magazine , ▁published ▁in ▁June ▁ 1 9 7 0 ▁and ▁entitled ▁" Rad ical ▁Ch ic : ▁That ▁Party ▁at ▁Len ny ' s ". ▁The ▁article ▁led ▁to ▁the ▁popular ization ▁of ▁" rad ical ▁ch ic " ▁as ▁a ▁critical ▁term . ▁C ox , ▁along ▁with