A selfless couple, Robert and Kathryn Swartz, were found brutally murdered on the first snowy morning of January 1984. As investigators arrived at the scene of the crime, they struggled to find the true motive on why this religious couple who were deeply devoted to their family and charitable causes were killed. But as they dug deeper into the case, investigators uncovered dark family secrets ultimately leading them to a suspect no one saw coming.

When a popular college student is found slain in the middle of campus, police suspect his friends and lovers might be involved.

When a suburban mom is murdered in her own home, investigators chase down an elusive killer that no one saw coming.

Police in small town Louisiana investigate the mysterious and brutal murder of a beloved neighbor with no known enemies.

After a college student is viciously murdered and her apartment set ablaze, police untangle a web of relationships to find a killer who's dangerously close to home

A couple and their special needs son are savagely murdered in rural New Mexico, leading detectives to uncover long-buried secrets in a tight-knit town.

When a devoted mother about to embark on a new life is murdered in her own home, detectives follow the evidence through a tangled web of relationships to unmask a killer no one could have predicted.

When a loving father and beloved basketball coach is murdered in Tennessee, police decode a confusing array of evidence to unveil a killer who is shockingly close to home.