Here's how a Snapchat feature led to investigators coming to a tragic discovery and help them solved a double murder case.

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

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

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.