Three years after the deaths of Cora, Dawson and Callan Clancy, the trial of their mother Lindsay is underway. This week, CBS News legal analyst Caroline Polisi and CBS News correspondent Shanelle Kaul take listeners inside the courtroom for jury selection, opening statements, and the highly anticipated testimony of her now ex-husband Patrick Clancy. They examine the prosecution's claim that Lindsay Clancy carefully planned the killings and the defense's contention that postpartum psychosis left her unable to control her actions.

17-year-old Jacque Marris reveals details about her abduction and how she and Tamara Brooks, another teenage victim, survived a harrowing 12-hour kidnapping on Aug. 1, 2002. They were strangers when their ordeal began, but it was only by working together that they found a way to survive. "48 Hours" correspondent Peter Van Sant reports.

This classic "48 Hours" episode last aired on 8/27/2003. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.

In 1989, college student Tiffany Sessions seemed to disappear without a trace. A massive search was launched, driven in part by her father, but it turned up nothing. Over three decades later, investigators and her family are still searching for answers. "48 Hours" correspondent Tracy Smith reports. This classic "48 Hours" episode last aired on 8/8/2015. Watch all-new episodes of “48 Hours” on Saturdays and stream on demand on Paramount+.