Like most true crime fanatics, Michelle McNamara's obsession started with a local murder. Michelle was 14 when a local woman's body was found in an alley near her childhood home. When Michelle picked up the shards of Kathleen Lombardo's Walkman it was the beginning of a lifelong journey to document crimes. But not even she could imagined the effect she would have had on one of the most notorious crime sprees in California history.