▁supp ression ▁of ▁Tit ulus ▁Reg ius ▁while ▁Richard ▁had ▁no ▁mot ive ▁at ▁all ▁to ▁dispose ▁of ▁his ▁nep he ws ▁once ▁he ▁had ▁convinced ▁Parliament ▁to ▁en act ▁Tit ulus ▁Reg ius . ▁▁ ▁Although ▁a ▁Bill ▁of ▁Att ain der ▁was ▁brought ▁by ▁Henry ▁VII ▁against ▁Richard ▁after ▁the ▁battle ▁of ▁Bos worth ▁it ▁made ▁no ▁mention ▁of ▁the ▁princes ' ▁disapp earance ▁from ▁the ▁Tower ▁– ▁strongly ▁suggesting ▁that ▁at ▁the ▁time ▁the ▁Att ain der ▁was ▁presented ▁to ▁Parliament ▁the ▁princes ▁were ▁not ▁yet ▁missing . ▁Henry ▁effectively ▁took ▁over ▁the ▁cust ody ▁of ▁the ▁princes ▁on ▁his ▁vict orious ▁return ▁to ▁London ▁after ▁defe ating ▁Richard ▁in ▁Bos worth . ▁If ▁the ▁princes ▁had ▁been ▁missing ▁from ▁the ▁Tower ▁at ▁that ▁time ▁it ▁is ▁incon ce iv able ▁that ▁Henry , ▁or ▁any ▁of ▁his ▁supporting ▁magn ates , ▁would ▁not ▁have ▁immediately ▁taken ▁full ▁advantage ▁of ▁such ▁a ▁propag anda ▁tr ump ▁card ▁and ▁made ▁that ▁fact ▁widely ▁known ▁in ▁order ▁to ▁def ray ▁any ▁possible ▁public ▁resistance ▁to ▁Henry ' s ▁effective ▁T ud or ▁us ur p ation ▁of ▁the ▁York ist ▁line ▁of ▁acc ession ▁to ▁the ▁crown . ▁▁ ▁The ▁Bill ▁of ▁Att ain der ▁that ▁Henry ▁and ▁his ▁support ive ▁magn ates ▁did ▁subsequently ▁file ▁against ▁the ▁dece ased ▁Richard ▁merely ▁acc uses ▁him ▁gener ically ▁of ▁" c ru el ty ▁and ▁ty ran ny " ▁during ▁his ▁reign ▁– ▁there ▁is ▁no ▁specific ▁accus ation , ▁nor ▁even ▁a