Joe Kenda's investigation into the brutal rape and murder of 24-year-old wife and mother Mary Lynn Vialpando goes cold until DNA technology leads cold-case detectives to the most unlikely of killers 30 years later.
Aspiring influencer Gabby Petito sets out on a cross-country road trip with her fiancé, but she soon disappears, and the ensuing mystery goes viral. New footage of the couple sheds light on their struggles that led to the nightmarish outcome.