A young mother was found murdered in an Alabama river in 1990. Nearly 30 years later, the man long suspected as her killer was arrested. But just before trial, a confession turned the case upside down. Now, in her first television interview, the woman who changed the case speaks to 48 HOURS.

Michelle Troconis has been dubbed "the other woman" in a headline-making story about a Connecticut mother of five, Jennifer Dulos, who vanished and is believed to have been killed by her estranged husband, Fotis Dulos. He was charged with murder, but died by suicide weeks after his arrest leaving Troconis the focus of the investigation, as she faces multiple charges in Jennifer Dulos' presumed murder. Now, in their first interview, Troconis' family members defend her in 48 HOURS: "What Does The Other Woman Know?