In 1977, high school senior Mary Quigley is found raped and murdered in her hometown of Santa Clara, California. Her murder book begins as detectives photograph the crime scene, trace her activities, and interview everyone she was with that night.

Investigators explain what a murder book is and how crucial it is to solving a cold case.

Learn how miniatures were used to create the immersive set of Murder Book in this behind-the-scenes video.

Cold case detectives track a sadistic killer suspected in the deaths and disappearances of at least two women, and find his secret log of murder.

In 1977, high school senior Mary Quigley is found raped and murdered in her hometown of Santa Clara, California. Her murder book begins as detectives photograph the crime scene, trace her activities, and interview everyone she was with that night.

A concerned brother turns to Wolfe when he can’t locate his missing sister. As Wolfe works to find her, he learns why she went into hiding and that he might be leading danger right to her door.

Wolfe explains how depression is a serious disease that should never be taken lightly.

Wolfe talks about why investigating people with addiction is so sad and the correlation between addiction and lying.

Wolfe talks about how you shouldn't prey upon those who might be weaker or have a timid personality and how this played out in Tracy's case.

Brittany suspects her husband Todd is having an affair with her best friend Francesca. She hires Wolfe to acquire evidence. He discovers that there is indeed something shady going on, but it's not what he thinks.

Meet Brian Wolfe, host of 'Cry Wolfe.' In this video, he talks about why he chose to become a private investigator.

Wolfe talks about how he tries his best to help couples solve their issues as well as what he thinks is going to happen with Morty and Elaine.

Wolfe stakes out a suspecting cheater to get video evidence, so what does he do when he has to go?

During Wolfe's investigation, he stumbles on a life-threatening secret that puts his client in extreme danger.

Sandra has the perfect boyfriend in Jack. The only problem is, she thinks Jack has another woman on the side.

When someone isn't being truthful in a marriage, it's difficult to overcome. Brian reviews one such case.

Wolfe talks about the incident that made him decide that he wanted to become a private investigator.

After a married professor has a one-night stand, a blackmailer threatens to expose his infidelity. As the threats mount, Wolfe races to find the culprit, before the professor loses his money, his job, and his marriage.

Wolfe talks about Patrick's double life as well as his multiple wives.

Wolfe himself became the pawn in a kinky game by a client.