TV Guide Investigation Discovery Sunday

The case of McDaniel Smith, who was shot dead in the street next to his car in March 2012. Thirty-year-old Damien Pipkins was arrested after he handed himself in, and was later charged with second-degree murder. Rod Demery learns of a legal dispute and an aspiring hero with a history of violence

When a father of three was shot dead in a devastating hail of gunfire, police were quick to determine that the murder was carried out by more than one suspect. However, even Shreveport Police Department homicide detective Rod Demery was unprepared for just how many killers he'll need to bring to justice

Buying goods from the comfort of home

Buying goods from the comfort of home

Buying goods from the comfort of home

Buying goods from the comfort of home

The case of Danielle Imbo and Richard Petrone, who vanished after leaving a night club on Philadelphia's South Street in February 2005. No evidence of their fate has emerged in the years since, and nor has there been any sight of Petrone's missing vehicle

An effort to find Dena's friend Brandi promises to yield results, and discussions tell of a tense relationship right before Dena's murder. Did a secret endanger her life?