▁friend ▁Mart a ▁Hall ard ▁has ▁provided ▁him ▁with ▁images ▁( in ▁order ▁to ▁alle vi ate ▁his ▁bed - rid den ▁b ored om ). ▁ ▁The ▁subsequent ▁police - like ▁investigation ▁that ▁Grant ▁undert akes ▁during ▁the ▁remainder ▁of ▁the ▁novel ▁in ▁order ▁to ▁find ▁some ▁circumst ant ial ▁evidence ▁that ▁Richard ▁( or ▁anyone ▁else ) ▁dis posed ▁of ▁the ▁princes ▁reve als ▁that ▁there ▁never ▁was ▁a ▁Bill ▁of ▁Att ain der , ▁Cor on er ' s ▁in quest , ▁or ▁any ▁other ▁legal ▁proceed ing ▁that ▁contempor ane ously ▁accused ▁– ▁much ▁less ▁conv icted ▁– ▁Richard ▁III ▁of ▁any ▁f oul ▁play ▁against ▁the ▁Prin ces ▁in ▁the ▁Tower . ▁It ▁also ▁points ▁out ▁that ▁the ▁princes ▁were ▁not ▁reported ▁missing ▁by ▁anyone ▁until ▁after ▁the ▁Battle ▁of ▁Bos worth ▁Field , ▁by ▁which ▁time ▁Richard ▁was ▁dead ▁and ▁the ▁princes ▁were ▁now ▁in ▁Henry ▁VII ' s ▁cust ody ▁in ▁the ▁Tower . ▁Grant ▁comes ▁to ▁the ▁conclusion ▁that ▁Henry ▁is ▁a ▁much ▁more ▁likely ▁perpet r ator ▁of ▁the ▁dual ▁reg ic ide ▁than ▁Richard ▁when ▁the ▁question ▁of ▁' who ▁inst ig ated ▁the ▁killing ▁of ▁the ▁princes ?' ▁is ▁approached ▁from ▁the ▁traditional ▁crime ▁detection ▁perspective ▁of ▁means , ▁mot ive ▁and ▁opportunity ▁– ▁particularly ▁mot ive . ▁ ▁T ey ' s ▁pro - Rich ard ▁arguments ▁repeat ▁some ▁of ▁those ▁made ▁in ▁Clement s ▁Mark ham ' s ▁ 1 9 0 6 ▁book ▁Richard ▁III : ▁his ▁life ▁&