IT worker guilty of murdering millionaire married couple with fentanyl before altering their will

20 March 2024, 12:07 | Updated: 20 March 2024, 12:27

Luke D'Wit, 34, killed Stephen and Carol Baxter
Luke D'Wit, 34, killed Stephen and Carol Baxter. Picture: Essex Police/Family handout

By Asher McShane

An IT worker has been found guilty of the murder of a married couple who he poisoned with fentanyl before changing their will to make him a director of their shower mat company.

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Luke D'Wit, 34, who befriended and worked for Stephen and Carol Baxter, created a series of fake online personas to manipulate them before he killed them.

These included a doctor from Florida and members of a fake support group for the thyroid condition Hashimoto's, which Mrs Baxter suffered from.

Mrs Baxter, 64, and her 61-year-old husband were found dead at their home in West Mersea in Essex by their daughter Ellie on Easter Sunday last year.

D'Wit killed the couple and then altered their will
D'Wit killed the couple and then altered their will. Picture: Essex Police

D'Wit, of West Mersea, arrived soon after and described himself as a "friend" to a 999 call handler, before calmly giving a false account.

Prosecutors said he created a fake will on his phone the day after the Baxters were found dead, making him a director of their shower mat company Cazsplash.

Another fake persona - a solicitor - was used in connection with the new will, prosecutors said.

Luke D'Wit has been convicted unanimously of murdering a married couple after poisoning them with fentanyl
Luke D'Wit has been convicted unanimously of murdering a married couple after poisoning them with fentanyl. Picture: Essex Police

Tracy Ayling KC said in her prosecution closing speech that D'Wit murdered Mr and Mrs Baxter "calmly, coolly and in a way which had been entirely planned, maybe for some while".

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D'Wit befriended Stephen and Carol Baxter before killing them with fentanyl
D'Wit befriended Stephen and Carol Baxter before killing them with fentanyl. Picture: Family Handout

He was found guilty at Chelmsford Crown Court of murdering the couple following a trial lasting more than a month.

The Baxters' daughter Ellie said in evidence that her parents believed D'Wit was "weird, but nerdy weird".

She said he had initially been brought into their shower mat business in about 2012 or 2013 to "help build the website" before eventually coming round to their house "every day".

Detective Superintendent Rob Kirby, of the Kent and Essex Serious Crime Directorate, said in an interview outside court that D'Wit was "without doubt one of the most dangerous men I've ever experienced in my policing career".

He said: "I have absolutely no doubt that had he not been caught, he would have gone on to commit further murders."

Mr Kirby said that "justice has been served today", adding that D'Wit "rightly belongs behind bars".

The defendant "fooled everyone", he added.

"He befriended people, came across as a very amenable, helpful person but in the background he was a cool, calculated killer who spent years planning the demise of Carol and Stephen Baxter," he said.

He described D'Wit as a "loner" who "spent hours of his time creating false personas, all there to create control over the Baxters".

"The level of deviousness he went to was phenomenal," Mr Kirby said.

Asked about a possible motive, Mr Kirby said it was "unclear what was going on in D'Wit's mind".

"Certainly he stood to benefit financially from the death of the Baxters and we believe that certainly this played part of the role in his motive," he said.

He continued: "D'Wit's downfall was the arrogance that existed within him.

"He didn't cover his tracks properly and he was deluded in thinking that he could use fentanyl to kill two people and that wouldn't be found to be suspicious."

D'Wit was arrested at his workplace and his bag contained fentanyl patches, opened and unopened.

Prosecutors questioned his claim that he was taking these back to a pharmacy following the death of his father in 2021.

D'Wit denied murdering Mr and Mrs Baxter and claimed in court that he created fake identities on the instructions of Mr Baxter and to give Mrs Baxter "someone to talk to and air all her grievances to".

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