Uloma Curry-Walker wanted her husband, William Walker, dead. Learn how she had him murdered right after they married.

Ezra McCandless tried to claim she stabbed her ex-boyfriend Alex Woodworth to death in self-defense. See what police decided happened.

Find out why James Henrikson had Doug Carlile fatally shot in his Washington state home, and how Henrickson was linked to ...

After Lt. William Walker succumbs to his injuries, investigators must find out who killed him and why.

A young woman seeks refuge at the home of a Wisconsin farmer, claiming she just escaped from a violent assault. When investigators arrive at the crime scene, they make a tragic discovery that will ...

When a convicted felon is found to be in possession of Bill Mueller's gun, he shares a description of the people he purchased it from.

After Leon Harrison Jr. disappears, a missing persons investigation leads to disturbing clues and reveals a toxic relationship.

Leon Harrison Jr., a loving father, goes missing. What happened to him that ultimately revealed his untimely death?

Find out why Joseph O’Boyle brutally killed his doctor, beloved chiropractor James Sowa, in his Bensalem, Pennsylvania, home, and how detectives found him.

Bill Mueller meets a single mother, Nancy, and they quickly form a seemingly perfect relationship.

Forensic Psychologist Dr. Michelle Ward speaks on "the special kind of monster" that would kill a child.

Dr. Jim Sowa is killed by his patient, Joey O'Boyle, who had a history of violence and mental health struggles.