Mike Mathis Productions

He dined with the powerful. He preyed on the vulnerable. Beneath a smiling exterior was the horrifying darkness of a sadistic serial killer.

When a collection of individuals decides to commit murder collectively, it can occur for a multitude of reasons. However, there is nothing quite like the act of a group killing.

Blood Relatives is a documentary TV series from the United States that premiered on Investigation Discovery on June 7, 2012. The show, narrated by Brenda Strong, who is known for…