▁on ▁them ▁during ▁the ▁period ▁of ▁the ▁Ri pper ▁mur ders . ▁Wal lace ▁claimed ▁that ▁the ▁books ▁contained ▁hidden ▁but ▁detailed ▁descri ptions ▁of ▁the ▁mur ders . ▁This ▁theory ▁gained ▁enough ▁attention ▁to ▁make ▁Car roll ▁a ▁late ▁but ▁notable ▁addition ▁to ▁the ▁list ▁of ▁suspect s , ▁although ▁one ▁that ▁is ▁generally ▁not ▁taken ▁very ▁seriously . ▁ ▁Crit ic isms ▁ ▁Car roll ' s ▁recent ▁bi ograph ers ▁and ▁Ri pper olog ists ▁have ▁argued ▁that ▁this ▁theory ▁has ▁some ▁very ▁serious ▁fla ws . ▁One ▁of ▁the ▁most ▁vocal ▁critics ▁was ▁Kar oline ▁Le ach , ▁who ▁in ▁a ▁lecture ▁about ▁Wal lace ' s ▁theory ▁gave ▁three ▁main ▁arguments ▁against ▁it : ▁▁ ▁The ▁same ▁method ▁of ▁an agr ams ▁can ▁be ▁applied ▁to ▁any ▁number ▁of ▁works ▁written ▁in ▁the ▁Latin ▁alphabet ▁and ▁using ▁the ▁English ▁language ▁without ▁prov ing ▁any ▁intention ▁by ▁the ▁original ▁author . ▁Le ach ▁demonstrated ▁her ▁point ▁by ▁re working ▁pass ages ▁of ▁A . ▁A . ▁Mil ne ' s ▁W inn ie - the - Po oh ▁to ▁indicate ▁that ▁Mil ne ▁had ▁also ▁committed ▁murder . ▁ ▁From ▁August ▁ 3 1 ▁through ▁September ▁ 3 0 , ▁ 1 8 8 8 , ▁when ▁Mary ▁Ann ▁Nich ols , ▁ ▁An nie ▁Chap man , ▁Elizabeth ▁St ride ▁and ▁Catherine ▁Edd ow es ▁were ▁killed , ▁Car roll ▁was ▁vac ation ing ▁in ▁East bourne , ▁East ▁Sus sex ▁along ▁with ▁Isa ▁Bow man , ▁a