Alex, 26, is a violent criminal and a prostitute. Combined with her addiction to crack and heroin, she is rapidly spiraling out of control. Fearing for her safety, her large family has banded together in hopes of saving her life.

Cyndie, the Counselor/Clinical Supervisor for the Hope By the Sea treatment center talks about what happened to Pierce after he entered rehab and his relapse.

Cheryl, 27, is an aspiring model and a gang member. Her family has urged her to leave the gang life behind, but Cheryl refuses. With nowhere else to turn, her family enlists a team of interventionists to help lead her in the right direction.

'Breaking Point' interventionist Darren Kavinoky follows up with Sahara to find out how she's been doing since the intervention and how her relationship with her son is today.

Interventionist Darren Kavinoky shares his thoughts on what happened to Ikaika after he left treatment.

Mandy, a prostitute in Maryland, services up to ten clients a day to feed her heroin addiction. It motivates her to steal from those who love her the most -- her family. Will they get Mandy help, or turn her in?

Interventionist Darren Kavinoky talks with Mandy about how she's been after treatment as well as how her relationship with her family is today.

Katie and Corey, a young couple with a 4-year-old son from Sacramento, California, shoplift, rob, and deal drugs to feed their heroin and meth addictions. Will their family and friends be able to save them from the brink?

Returning from the club, young Eva Hartmann came home to find her father, Werner in his bedroom. Unfortunately she found him murdered, naked, and lying in a pool of blood.

Kelly Lovera was murdered in the back of his truck, when the police told his wife, they got a reaction that they were not expecting.

While in a cop car immediately following their arrest, Rachael Mullenix reassures Ian Allen that if he says she wasn't involved in the crime that she would come visit him in jail.

In Yakima, Washington, high school athletic director "Gabby" Moore turns out winning teams and championship athletes. But when two of Gabby's protégés are unexpectedly drawn into his personal life a deadly game of love, loyalty, lust and betrayal ...

Kent Walker, son of convicted killer Sante Kimes, talks about the good and the bad times with his mother.

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.

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