A husband and father found brutally murdered on the beach, a hitman behind bars, and a wife accused of orchestrating everything – vanished without a trace. Go inside the mystery and manhunt for Texas' most wanted female fugitive.

It's a case Houston will never forget. In the late 1990s, panic swept through railroad towns over a train-hopping serial killer who murdered his victims near tracks.

A legendary Houston police detective looks back on the shocking murders of a young family - and his years-long search for the truth.

She was the glamorous River Oaks socialite who had it all. Joan Robinson Hill - striking, talented, and a national equestrian star. In the 1960's, she and her plastic surgeon husband, Dr. John Hill, were at the top of Houston society.

30 years ago this summer, 14-year-old Jennifer Ertman and 16-year-old Elizabeth Pena decided to take a shortcut home through T.C. Jester Park. They walked straight into unimaginable horror.

They were a picture perfect family. Antonio Armstrong, a former NFL player turned coach, and his wife Dawn, had three children who they loved more than anything.

It’s a murder case that captivated the country. A renowned college research professor stabbed 25 times with one of the most bizarre weapons you can imagine

She was a beautiful champion equestrian. He was one of the top plastic surgeons in the country. It was 1969 and to many, it seemed like John and Joan Hill had it all

In the summer of 1993, teen friends Jennifer Ertman and Elizabeth Pena decided to take a shortcut home through a Houston park in order to meet curfew.

Corriann Cervantes was only 15 years old when she was stabbed and beaten to death by two teen friends she trusted. A pentagram was scrawled on the wall of the vacant apartment where she was found.

For over a decade, Anthony Shore preyed on girls and young women. To outsiders, nothing seemed amiss about Shore - he was a husband, a father, and a brother.