S2/EP18 According to law enforcement officials, Clark Russel had a long criminal history that continued after he murdered Alma Zuniga, a 23-year-old from Oxnard, California. About a year after he killed Zuniga, he committed an attempted murder in Oxnard, shooting a couple while they sat in their car near the beach. They both lived. In December 2014, Russel was found guilty of first-degree murder in connection with Zuniga's death.

S2/EP18 Jaime Antonio Zuniga, the son of Oxnard, California, murder victim Alma Zuniga, remembers learning of his mother's killing, which occurred in 1979 when she was only 23 years old. In 2014, Clark Russel was found guilty of first-degree murder in connection with Zuniga's death.

S2/EP18 Cruz Lara Peterson, the sister of Alma Zuniga, remembers their childhood and what Zuniga was like growing up. In 1979, 23-year-old Zuniga was raped and murdered by Bakersfield man Clark Russel. He was found guilty of first-degree murder in December 2014.

S2/EP17 Opelika Police Department Sergeant John Pruitt discusses the abduction and murder of young father and mobile home salesman Alkenyatta “Al” Wilson. Wilson's kidnapping and killing was plotted and executed by his former boss, Rodrick Johnson, against whom Wilson was set to testify for stealing a mobile home. Wilson's two brothers were also involved in the plot.

S2/EP17 Opelika Police Department Sergeant John Pruitt reflects on brothers Rodrick Johnson, Raymond Walton and Alexander Johnson, who were all in some capacity involved in the kidnapped and murder plot of Rodrick's former employee, Alkenyatta “Al” Wilson, a mobile home salesman. Pruitt says they have ""no conscious whatsoever"" and ""no remorse"" about the crime.

S2/EP17 Local resident John Smith looks back on his friendship with Alkenyatta “Al” Wilson, a young father and mobile home salesman from Opelika, Alabama. Wilson was kidnapped and murdered in 2001 in a plot hatched by his former boss, Rodrick Johnson, against whom Wilson was set to testify for stealing a mobile home. Wilson's two brothers were also involved in the crime.

Investigators search for Alma Zuniga's car in Oxnard, CA. When they do find the car, they discover blood, as well as a bullet casing matching one found at the crime scene.

Hours after Enrique Zuniga calls 911 to report an emergency about Alma Zuniga, Alma is found dead in a shallow grave in Oxnard, California.

S2/EP16 The trial of George Griller for James Keen's murder "aged" Keen's parents, his sister says. Griller's conviction was a "huge relief," however, because that meant Griller couldn't victimize anyone else.

S2/EP16 Susan Hayes James Keen's sister, says her brother's killer's claim of self-defense was ridiculous. "He would never hurt anybody" and "He would never rob anybody," she says.

S2/EP16 George Griller preyed on elderly victims for their social security money, authorities who investigated him say. "He has no conscience."

Could Raymond Walton, the alleged customer who was last seen with missing mobile home salesman Alkenyatta “Al” Wilson, have answers about the young father's disappearance? A deadly mystery with deep-running roots snakes through the small Alabama town of Opelika, shattering a young family and baffling the community. Investigators unlock long-held Southern secrets to solve the murder and discover a truth steeped in blood and revenge.

On July 27, 2001, young father Alkenyatta “Al” Wilson vanished from Opelika, Alabama. The following day, his fiancée told investigators she knew of someone who may have "had it in for Al." According to Opelika Police Department Detective Ben Bugg, Wilson was supposed to testify against his former boss, Roderick Johnson, for theft of property of a mobile home. Johnson denied any involvement in Wilson's disappearance.

In 1990, Larry Crichton loses touch with his old pals, William Sawyer and Louis Michael. A bizarre trail from South Dakota to Minnesota ends in a dark discovery and a case gone cold. While investigators question whether a man of God is the key to solving this mystery, they fear blind faith is not only risky, but could prove to be deadly.

In January 1995, Sioux Falls investigators alert the Minneapolis police department about their case involving George Griller, who had taken two elderly men — William Sawyer and Louis Michael — out of state as part of an elder care business he was starting. Griller claimed he did not know the whereabouts of both Sawyer and Michael.

S2/EP15 Detective Terry Crawford says Robert Langley was a manipulator, and if he was free, he would hide in "a bunker" because Langley is such a menace.