Dateline's latest episode, "The Secret in Black Rock Canyon", revolves around the murder of 16-year-old Cassie Jo Stoddart.

Prosecutors say Lindsay Clancy planned the killings of her three young children. Her lawyers point to her severe postpartum ...

Police describe what they encountered when they arrived at Lindsay Clancy's home the night she is accused of killing her ...

Jurors listened to the 911 call Patrick Clancy made when he found his children strangled in the basement. Here's a description of what we heard.

Police, fire and EMTs testified Thursday during the third day of the Lindsay Clancy murder trial.

Dateline: The Secret in Black Rock Canyon delves into the chilling murder case of Cassie Jo Stoddart on September 22, 2006, ...

The police officer who discovered the children in the basement of her Duxbury home at times spoke haltingly and struggled to ...

The jury was excused for the day after prosecutors called nearly a dozen first responders to the stand as they presented ...

Duxbury police officers and firefighters testified about finding the children of Lindsay Clancy during her murder trial on ...

Duxbury police officers and firefighters testified about finding the children of Lindsay Clancy during her murder trial on ...

The second day of testimony in the Lindsay Clancy murder trial on Wednesday, July 29, included hours of testimony by Patrick ...

Firefighters and police officers who responded to Lindsay Clancy’s home the night she tried to kill herself after strangling ...