Kathryn-Mary Herbert disappeared 39 years ago in Abbotsford, B.C., after going to dinner at a friend's house.
Two months later, her body was found hidden under a rotting outhouse on the nearby Matsqui First Nation.
B.C. RCMP are holding a news conference about this and another cold case. You can see CBC's live blog and live stream of the news conference right here.
In a release, the force said senior representatives from the B.C. RCMP, Abbotsford Police Department and family members of the victims would be present.