When the body of 40-year-old doctor Elana Fric is discovered by a passerby out for a walk, investigators know they're looking for a cold-blooded killer. In this episode, we hear from Elana's closest friends and family about the warning signs, from the detective who helped get a conviction, and an emotional interview with Elana's daughter on what she witnessed, and how she plans to make a difference.

A Calgary mother disappeared in March 2015. Family and friends turned to police--as it was out of character for the 24-year-old to just take off. Months later, her body was found in a ditch northeast of Calgary by a road construction crew. The autopsy revealed she was stabbed 75 times. Who would have done this to Jessica Newman and why?