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.

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

A location-tracking feature on Snapchat was instrumental in solving a double murder case in Wisconsin involving Chandler ...

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

Bart and Krista Halderson were the proud parents ... friends and family and eventually got a break. Chandler's girlfriend, Cathryn "Cat" Mellender, allowed investigators to download data from ...

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 HALDERSON (doorbell camera video ... Gravatt described "Chaz" as popular with women. College student Cathryn Mellender, known as "Cat," was his longtime girlfriend.

Chandler Halderson is seen in this undated photo ... Cottage Grove belonged to the family of Chandler's girlfriend, Cathryn Mellender. Investigators asked Chandler and Mellender to come in ...