▁Cape ▁Town . ▁ ▁Activ ism ▁and ▁imprison ment ▁C ron in ' s ▁work ▁in ▁the ▁propag anda ▁unit ▁of ▁the ▁S AC P ▁brought ▁him ▁to ▁the ▁attention ▁of ▁the ▁South ▁African ▁Bureau ▁of ▁State ▁Security ; ▁he ▁was ▁arrested ▁on ▁charges ▁under ▁the ▁T error ism ▁and ▁In ternal ▁Security ▁Act s ▁and ▁tried ▁in ▁the ▁Cape ▁Town ▁Supreme ▁Court ▁in ▁September ▁ 1 9 7 6 , ▁along ▁with ▁David ▁Rab kin ▁and ▁his ▁wife ▁Sue . ▁The ▁charges ▁included ▁consp iring ▁with ▁members ▁of ▁the ▁African ▁National ▁Congress ▁( also ▁a ▁b anned ▁organisation ) ▁and ▁the ▁S AC P , ▁and ▁prepar ing ▁and ▁distrib uting ▁pam ph lets ▁on ▁these ▁organis ations ' ▁beh alf ▁( activ ities ▁comm emor ated ▁in ▁C ron in ' s ▁poem ▁" A ▁Step ▁A way ▁from ▁Th em ," ▁model led ▁on ▁a ▁poem ▁of ▁the ▁same ▁title ▁by ▁American ▁poet ▁Frank ▁O ' H ara ). ▁C ron in ▁ple aded ▁guilty ▁to ▁all ▁charges ▁and ▁was ▁sent enced ▁to ▁seven ▁years ' ▁imprison ment ▁( 1 9 7 6 – 1 9 8 3 ). ▁He ▁served ▁his ▁time ▁in ▁P ret oria ▁Local , ▁or ▁P ret oria ▁Pr ison , ▁which ▁was ▁part ▁of ▁the ▁P ret oria ▁Central ▁Pr ison ▁complex , ▁along ▁with ▁Den is ▁Gold berg , ▁Raymond ▁S utt ner ▁and ▁others . ▁He ▁participated ▁in ▁the ▁planning ▁of ▁a ▁d aring ▁escape ▁in ▁ 1 9 7 9 ▁by