Paul Bernado and Karla Homolka were Canadian serial killers who attracted worldwide media attention when they were convicted of raping and murdering teenage girls, including Karla�s own sister, Tammy Homolka. These two serial killers are part of a fairly exclusive group of killers that killed as a couple. Paul Bernardo also admitted raping numerous other women over a period of years, and he eventually brought Karla into the mix. The question most people have when they hear of these murders, is why did Karla do it?

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