A sick murderer who killed his wife and hid her body underneath the floorboards of their Scots home will feature in a new Netflix series.
Twisted Harry Jarvis killed wife Carol Jarvis, 47, just meters away from where his millionaire mistress slept in the garden shed at their home in Bathgate in September 2009.
The first episode of new Netflix show Meet Marry Murder will tell the horrific story of Jarvis and how mistress Jus-Rol pastry heiress Rita Heyster helped to conceal Carol's body which was left to rot under the floorboards.
Heyster - who was said to be infatuated with Jarvis- had been living in the couple's garden shed at the time of the murder, Grimsby Live reports.
Jarvis' son Graham appears in the episode and explains how Carol and Jarvis decided to move from London, where they met, to Bathgate after a falling out with family.
Carol, then 38, was diagnosed with a degenerative muscle condition in 2000 and sadly became wheelchair-bound - with Jarvis becoming her full-time carer.
But he soon began cheating on Carol, having affairs with other women and then met Rita Heyster.
After squandering her £2.5m fortune, Heyster "needed a roof over her head" and Jarvis fitted out the garden shed with a mattress for her to live in, while Carol was bedbound just four feet away inside the house.
"Everyone knew she was living in the garden shed. It must have been the strangest circumstances for local gossips to talk about," barrister Tony Kent says in the documentary.
Graham opens up up how his dad would leave his sickly mother sleeping throughout the day as he was responsible for administering medication and would give her too many sleeping pills.
He said: "When dad had maybe went away on one of his vanishing episodes and we gave mum her medication, she seemed to perk up a lot more, wake up, and go back to getting up out of bed. Alarm bells started ringing, but as young adults, how do you question your dad, in terms of that she was fine one minute and then not the next?"
To allow them to be together, sick Jarvis and Heyster hatched a shocking plan to get rid of "inconvenience" Carol by poisoning and murdering her.
In a twisted letter to Heyster, Jarvis wrote: "Drugs are doing job just took longer than I thought. But going fast now. See you in paradise soon. Carol is dying as I write. Then we have house to ourselves and sell all in it to move on."
Jarvis then bizarrely told his children their mother was in Dundee because they were planning to move there when they questioned her whereabouts.
"That was the time that alarm bells started ringing that something wasn't right," Graham said.
The worried siblings contacted police who discovered Heyster hiding under a bed when they visited the property. Jarvis lied to officers and said she was in fact Carol but was caught out as one had previously met Carol and knew they were lying.
When Jarvis claimed he would be collecting Carol from Dundee the following day, officers searched the house and soon discovered her body underneath the floorboards.
Because of the state of decomposition the body was in, investigators were unable to determine her cause of death.
The twisted couple had gone on the run, and police launched a manhunt to find them. They were arrested by police as they exited a bus in Edinburgh and taken to the police station to be interviewed.
Jarvis told police that Carol had died after suffering a fit during sex with him after she asked him to strangle her, and that he had placed her body underneath the floorboards because he "couldn't bear" to be without her. He pleaded not guilty to her murder, but the jury at the subsequent trial found him guilty.
Jarvis was jailed for life in 2011 for the murder of Carol. He was ordered to serve a minimum of 15 years before being eligible for parole. Heyster was locked up for four-and-a-half years for helping to conceal Carol's body.
Graham said: "I don't think I'll ever forgive him for what he's done."
Jarvis died in prison of heart failure aged 67 in 2017.
Heyster was jailed for four years after being convicted of attempting to defeat the ends of justice by helping her boyfriend to cover up the crime.
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