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 ...

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

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

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 ...