'Living With A Serial Killer' Is Returning For Season 2 — Here's What To Know

We want to believe we really know the people who surround us. We know what our loved ones are capable of doing. But the truth is, sometimes the people we know have dark secrets. 

For some people, that means learning friends or family or partners are actually serial killers.

In the second season of "Living With A Serial Killer," premiering Sunday, July 9 at 9/8c on Oxygen, eight episodes cover the criminal investigations of serial killers across North America and the United Kingdom, interviewing the people who knew them best. The series asks, "What is it like to discover that the person you shared your life with is really a vicious murderer?"

Here are some of the cases featured in the upcoming season:

 Anthony Shore

For decades, Houston police search for a serial killer preying on young women until a local man’s DNA finally reveals the culprit. Upon his arrest, the killer’s sister and daughter learn his true identity as the Tourniquet Killer.

Stephen Griffiths

From 2009-10, the self-proclaimed Crossbow Cannibal terrorizes the community of Bradford in Northern England. His ex-girlfriend reveals the mental and physical abuse she endured for years at the hands of one of the UK’s most heinous serial killers. 

Timothy Boczkowski

When a church-going family man’s second wife is found dead in their hot tub, police look back at the suspicious drowning death of his first wife. After years of believing in his father, his youngest son finally learns the horrifying murderous truth. 

Levi Bellfield

A serial killer stalks and viciously attacks young women in the suburbs of London while evading British police. When the killer’s ex-girlfriend reports him for abuse, little does she know just how pivotal her testimony will be in bringing justice. 

Shawn Grate

A rescue mission of an abducted woman turns macabre when two dead women are found in the house. During the interrogation, the killer reveals the location of more bodies. His half-sister opens up about a dysfunctional childhood that shaped a serial killer.

Elizabeth Wettlaufer

A Canadian nurse walks into a rehabilitation center and confesses to murdering several of her patients. Her childhood best friend reveals their lifelong common bond and the terrifying confession she made to him. 

Edward Wayne Edwards 

After getting away with murder for over three decades, one of the FBI’s most wanted shocks investigators when he readily admits to five murders. His son discloses a family life on the run and his attempts to step out of an evil father’s shadow. 

 Anthony Sowell

East Cleveland is shattered when the bodies of 11 murdered women are found in a literal house of horrors. As the crimes become public, the killer’s sister faces death threats and reminders of a childhood spent with a young man turned monster.

Tune in to "Living With A Serial Killer" Season 2, premiering Sunday, July 9 at 9/8c on Oxygen.