What started out as a party to mark the end of classes at the University of Calgary ended in a horrific tragedy; to add to the complexity of the case, investigators quickly learned the suspect was the son of one of their own.

An accomplished dancer, an aspiring urban planner, two talented musicians, and a young man who was well on his way to becoming a humanitarian became victims of the biggest mass killing in Calgary's history.

Almost three months after she went missing, Christine Jessop's body was found more than 50 kilometers away from her Queensville home; after an intense police investigation, a former neighbor, Guy Paul Morin was charged.

Kimberley hasn't been heard from since 2016 and while her partner says she abandoned the family, her parents accuse him of homicide.

At 29 years old, Lisa Mitchell and her common-law husband, Allan, had two children and she juggled two jobs to try to make ends meet and then one day, she disappeared, leaving her common-law husband and two children behind.

Teenage sisters Marsha and Tamara Ottey were stabbed to death in August 1995; months later, Dimitrija Trajceski became the first TTC worker killed on the job. Caryn Lieberman shares the story of how these two families' lives became intertwined.

In May of 2007, 15 year old Jordan Manners was gunned down in a hallway, marking the first time a student was shot and killed inside a Toronto school and Catherine McDonald remembers the murder, its impact on the community and his family.

With two people dead and a two year old missing, a small community in the Rocky Mountains is broken. It's a case the family of the victims call a real life horror show. Crime reporter Nancy Hixt takes you through the details of the crimes committed against Terry Blanchette and his two-year-old daughter Hailey Dunbar Blanchette.

Alicia's disappearance leads to one of the largest missing person searches in Ontario's history; reporter Catherine McDonald reconnects with Alicia's mother to tell the tale.

Coaxed from her home for a photoshoot, a promising young athlete never returns: Caryn Lieberman brings us through the DNA breakthrough that cracks the case to a mother's national safety campaign.

After a year studying abroad, Lukas Strasser-Hird had dreams to be a doctor; he went out with friends to celebrate when he arrived home, but no one could have predicted how dangerous the situation was to become.

Dismembered remains are discovered. They belong to a child. But whose? Alan Carter returns to the scene of the crime 20 years later, reuniting with the lead detective and a community that came together in grief.

Crime reporter Nancy Hixt reviews the case of Meika Jordan, a six-year-old girl whose life was tragically cut short; Nancy reveals the details of this case and the evidence uncovered by investigators in their quest for justice.