Cathryn Mellender played a key role in the Chandler Halderson case, which is the focus of ABC's 20/20 episode Road Map To Murder, airing May 30, 2025.

Cathryn Mellender, cleared by police, showed detectives a screenshot of a map that placed her boyfriend, Chandler Halderson, ...

When Chandler Halderson's lies about attending college and being offered a SpaceX job were about to be exposed, prosecutors ...

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 ...

Chandler's girlfriend, Cathryn "Cat" Mellender, allowed investigators to download data from her phone. Sims heard that Chandler had cheated on Mellender in the past, so she would keep tabs on him ...