Paul Bernardo's relationship with high school sweetheart Nadine B. was explored to a certain extent by Scott Burnside and Alan Cairns in Deadly Innocence.
It's actually quite startling to compare his first serious relationship to the one which ultimately produced three dead teenagers. The crucial difference between Nadine and Karla Homolka is the fact that Nadine knew enough to walk away from the serial rapist in the making while Homolka did everything she could to keep him by her side -- including offering up her sister for the Christmas Eve rape that ended her life.
