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.

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