MADISON (WKOW) — Chandler Halderson's former girlfriend, Cathryn Mellender, took the stand Thursday afternoon. Halderson is charged in the death's of his parents, Bart and Krista Halderson after he ...

MORE: Menendez brothers win resentencing fight: What's next for their case? Detectives discovered that the farm in Cottage Grove belonged to the family of Chandler's girlfriend, Cathryn Mellender.

When Bart and Krista Halderson suddenly disappeared in July 2021, their son, Chandler, alerted police. A search of a popular social media app helped lead investigators to a gruesome discovery.

Cathryn Mellender, cleared by police, showed detectives a screenshot of a map that placed her boyfriend, Chandler Halderson, near the place authorities would discover the remains of Krista Halderson.