Gabriella Vargas is a self-proclaimed “pink-haired, tattooed mom from California who enjoys woodworking and gardening.” She also happens to be one of the most talented investigative genetic genealogists in the world, according to the investigators she worked with. When the 34-year-old Roxanne Wood cold murder case came across her desk in April 2021, “it was deemed unsolvable prior to my involvement,” Vargas said.

Vargas was confident she could solve this cold case – and fast – finally bringing justice for Roxanne Wood’s family. “48 Hours” correspondent Peter Van Sant takes viewers inside the haunting case in “The ‘Unsolvable’ Murder of Roxanne Wood” airing Saturday, November 12 at 10/9c on CBS and streaming on Paramount+.

In February 1987, Roxanne Wood and her husband, Terry Wood, went out for a night of bowling with friends. Roxanne left the bowling alley early to return home so she could rest up for work in the morning. But then a man entered her home…