Ten days before investigators say Katlyn Lyon Montgomery, 28, was strangled in her sleep in the Virginia apartment she shared with her 4-year-old daughter and a new roommate, she had broken up with ...

The prosecutor said Katlyn Lyon Montgomery's ex-boyfriend dressed as a "ninja" to sneak up on her while asleep in her Virginia apartment.

A mother goes viral on TikTok demanding justice for her murdered daughter. "48 Hours" correspondent Erin Moriarty reports ...

Erin Moriarty’s latest Instagram drop is giving fans an intimate, slightly chaotic, and undeniably glam look at her October, and she’s not holding back on the vibes. The Boys actress, 31, shared the ...

When Katlyn Lyon Montgomery was murdered in October 2022, her mother turned to TikTok to share her grief and help hold the ...

Maddie Conklin speaks with 48 Hours correspondent and podcast host, Erin Moriarty, about her new podcast series, “15: Inside the Daniel Marsh Murders.” This six-part series follows the 2015 murder of ...