A young woman is found dead in her burning home. She'd been involved with a firefighter — could he have set a fire to cover her murder? "48 Hours" contributor Nikki Battiste reports.
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 Trenton Frye, a North Carolina man she met online months before.