When a young family ventures into a remote Washington forest in search of the perfect Christmas tree, a dark mystery unfolds. Parents go missing, a child is found wandering alone in another town and all of Washington state wonders whether a serial predator may be waiting in the woods in this episode of Last Seen Alive.
A 1985 newspaper highlights the search efforts made to locate Diana Robertson, her boyfriend Michael Riemer and 2 year old daughter, Crystal. The young family went missing on December 12, 1985 whenever they ventured into the forest near Mineral, WA to search for a Christmas tree.
Diana Robertson (right) is pictured with her boyfriend Michael Riemer (left) in an undated photograph. Diana died of homicide, while the manner of Michael’s death is officially unknown.