It’s December 7, 1996, police discover bodies of Gertrude Thompson and her companion Edward Kowalczk in the living room of their residence in Toledo.

The apparent suicide of a woman leads detectives to suspect foul play and they would uncover more than they bargained for and a husband on double murder charges. The is the case of Bart Corbin.

A man is accidentally shot dead in his bed by his wife. But was it an accident or a more sinister reason. This has happened before.

It’s 1989, Paula Sims is attacked outside her home and forced inside. She is beaten over the head and falls unconscious. When she is awakened by her husband back from work, they find that their 6-week-old daughter Heather Lee is gone. But this has happened before.

It’s 1984 and there is a serial killer on the loose in Tampa Florida. He’ll let one victim go and this will be his downfall.

One of the most prolific serial killers in the USA was arrested more than 100 times and acquitted several times for murder.

A woman’s body is found in a river, then two and then many more. This won’t be the only location linked to one man, Gary Ridgway the Green River Serial Killer

It’s December 1985. A grandma and grandpa are missing but soon found dead. This case will go cold but some justice will eventually be served.

A serial killer goes undetected for decades until he steals some sex toys. There's BDSM and there will be a huge twist at the end.

It’s June 2014 Oklahoma City. A cop starts his afternoon shift and is taken into an interview room. The following year he would be sentenced to 263 years in prison.

It’ll take 23 years for justice to catch up with this law enforcement officer after cold case detectives take another look at the evidence.

It’s July 2011, Macon, Georgia and a young woman has gone missing. Days later her neighbor would be brought in for questioning.

It’s December 2008 and a 20-year-old student is driven to a house by a friend. She would never be seen alive again and just over a month later, her frozen body would be found upside down in a trash can.

He was a known killer but over a period of nearly two years, he would kill at least 12 women.

It was the heist you have when you’re not having a heist, the Millennium Dome raid in November of 2000 was well planned but ultimately failed after the great work from Scotland Yard and the Flying Squad.

It’s 1942, Melbourne Australia. At night during lights out there is a killer roaming the streets.

Four women will be attacked but that will only be the start of this scum's offending

Crossover episode with Bloody murder.

It’s 2005 and a little girl will be murdered in a spiteful act against a spouse.

A man who creates a cult called the ‘Order of St Charbel’ professing to spread the word of God. The cult was used to groom young girls to satisfy his sexual hunger.

It’s august 2018 and in the tiny inner-city suburb of Forest Lodge, Sydney a man will lie dead in the street having been attacked by a Samurai sword wielding assailant.

It’s November 1987, Noosa Queensland where innocence is lost after a 12-year-old girl is abducted. This is the story of Sian Kingi.

His killing spree spanned just over 4 years, but this Serial Killer would amass so many victims, he would be known as the British Jeffrey Dahmer. This is the case of Dennis Nilsen.

So tonight, we go to Anchorage in Alaska where a missing persons case would turn out to be so much more. The case tonight, is the shocking story of Israel Keyes.

When three women go missing and two of them are found murdered, a suburb of Perth, Western Australia becomes the focus of a manhunt over a 20-year period.