It's hardtosay, butwhat's clearisthatthepolicewillsoonbefinding a brutallymurderedbodyinArthur's apartment, sothey'llprobablybeknockingonherdoortoaskquestions, atwhichpointshe'lldiscoverjusthowluckyshewas.
Throughoutthefilm, asArthurgoesthroughhisowndeeplypersonaldescentintoviolent, vengefulmadness, a massivegroundswellofsupportforhimisbuildingrightunderhisnose.
Bytheendofthefilm, Arthurhasfullyembracedthepeoplewhohavebecomehisfollowers, standingupamongthemas a leaderforonetriumphantmomentbeforethefilmcutstohiminArkham.
Thebigquestionthatthefilmdoesn't answer, though, ishowseeing a clownshoothisparentswillendupchangingBruce.
Batmanisusuallydepictedas a guywhofightscriminalsingeneral, butthisversionofBrucemightenduphaving a veryspecificagendaonhishandswhenhe's allgrownup, onethatwouldfundamentallyaltertheDarkKnightasweknowhim.