After Texas woman Betty Gore was violently killed in her home, a family friend who was her husband's ex-lover, Candace 'Candy' Montgomery, was arrested for the crime. At trial, Candy was found not guilty.

In 1996 serial killer Ivan Milat received life sentences for the murders of seven missing backpackers found dead in Australia's Belanglo State Forest. Over a decade later, his great-nephew committed a murder and credited it to his family name.

When Lizzie Borden was arrested and charged with the gruesome 1892 axe murders of her father and stepmother, no one could have predicted the widespread, lasting fascination with the case. A&E True Crime spoke with lawyer Cara Robertson about her new book, 'The Trial of Lizzie Borden,' about the most intriguing elements of the murder case.

In 1991, Miguel Angel Martinez,17, Manuel 'Milo' Flores,17, and Miguel Angel Venegas, Jr.,16, each played a role in a triple axe-and-knife murder that rocked the small city of Laredo, Texas. The motivation behind the crime remains a mystery. Martinez and Venegas tell their stories in 'I Am a Killer,' available on Netflix. 

Read an excerpt of the true-crime book "The Man From the Train: The Solving of a Century-Old Serial Killer Mystery" of the murder of the unorthodox Schultz family of Houston Heights, Texas.