A Goodreads user asked this question about
Pretty Girls:
1) Why was Paul so obsessed with Julia/the Carroll sisters such that he wanted to date/marry one of her sisters? He raped and murdered dozens of other women - what was so special about the Carrolls?
2) Who was the "Lexie" voice on the outgoing voicemail?
3) What even was the significance of having a Lexie? Just a red herring?
Tom
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