Britney Gulley has trouble remembering killing her first victim, because she was so high.

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.

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.

Beauty queen Darlene Doskocil always wanted the easy way out.

Penny kills her only daughter when her boyfriend, in a fit of anger, tells her she must choose between them-and she does.

Some women can’t resist boy toys. But fur flies when these women reveal they're "Killer Cougars.” 39-year-old Dr. Shirley Turner exposes some skeletons in her closet: a history of affairs with younger men all ending in rejection that Shirley could not handle.

Griselda Blanco was a woman to be reckoned with in Miami as leader of a drug ring. She shows no mercy in having her own thugs taken out-even when the 6 year old son of her henchman is accidentally killed.

Susan Eubanks killed her four sons in an execution style slaying to punish her husband for leaving her.

Want to know whatever happened to Jennifer Reali, this Deadly Woman? Pat Lalama fills you in on the details.