Angela Brosso and Melanie Bernas separately rode their bikes along a path near a Phoenix canal less than a year apart in 1992 and 1993, and neither ever returned home. Both were brutally murdered, and the Phoenix canal murders haunted Arizona for years, leaving the community without answers. Matching DNA linked the two horrific crimes, but the killer was able to hide in plain sight for decades, according to Sergeant Troy Hillman, who took up this cold case years later. He assembled an all-star cold case team, and together, they were able to track down the killer. Hillman joins “Forbes True Crime” to discuss his new book, “Chasing Down the Zombie Hunter,” which details his investigation into this cold case.

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