Marine engineer visited prostitute after becoming 'aroused' by raping and murdering his partner, court hears

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Duffin, C. (2026, October 21). Marine engineer visited prostitute after becoming 'aroused' by raping and murdering his partner, court hears. Daily Mail. https://www.dailymail.com/news/article-16226831/Marine-engineer-visited-prostitute-aroused-raping-murdering-partner-court-hears.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

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Daily Mail · collected 2026-10-21 · by Claire Duffin
Content note This article describes sexual violence.

Quick Summary

Stephen Sexton, a 39-year-old marine engineer and father of one, is accused of strangling his partner Joanna Derkacz, 37, after their relationship broke down. Prosecutors claim Sexton visited prostitutes shortly after killing Ms Derkacz by raping and strangling her with his forearm or elbow at their flat in Waterlooville, Hampshire, on December 28, 2023. The court heard that Ms Derkacz had previously warned police about Sexton's abusive behavior just weeks before her death.
Written locally by qwen2.5:14b on 2026-10-21, using this article's own text rather than the other coverage of the same event (that is the story summary below).

AI analysis runs on qwen2.5:14b, locally

Story summary

Stephen Sexton, a 39-year-old marine engineer from Waterlooville, Hampshire, has been charged with the murder and rape of his partner Joanna Derkacz, a 37-year-old recruitment consultant. According to court proceedings on October 21, 2026, prosecutors allege that Sexton subjected Derkacz to 12 months of "controlling and coercive behavior" before strangling her using his forearm or in the crook of his elbow. Less than three weeks prior to her death, Derkacz had warned police about Sexton's controlling nature and potential for violence.

After allegedly raping and murdering Derkacz, prosecutors claim that Sexton visited a prostitute as he was "aroused" by the act. He sent messages on an escort website called 'Portsmouth Escorts. Escort and Erotic Massage' to arrange the visit, telling the woman, "I'll be there in 20 minutes ok baby." Sexton denies murder, rape, and coercive or controlling behavior charges.

The case highlights severe domestic abuse leading to tragic consequences, raising concerns about the need for better protection of victims of abusive relationships.

Written for “Marine Engineer Trial Details Abuse” on 2026-10-21, grounded in this article and the 0 other(s) covering the same event.
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No political leaning scored for article 96375 · logged 2026-10-21

Story

📰 Marine Engineer Trial Details Abuse
Crime & Law · 1 article(s) covering the same event.

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Signals How these are calculated →

Claims extracted
64
sentences that state something as happening or true
Uncertain
17%
11 of 64 hedged ("reportedly", "may", "according to")
Leaning
not political
takes no side on a contested political question
Publisher signals
64/100
Daily Mail's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Crime & Law
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-10-21 · how these are computed

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Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

Daily Mail · 6704 article(s) · 15 correction(s) detected
Running correction rate · 15 correction(s)

Who wrote this

Claire Duffin
21 article(s) here · 1 carrying a prediction
🔮 Prosecutors said Sexton's 'first thought after the point of death was to try and find prostitutes', adding 'it may be that the act of killing her had raised arousal.' Sexton, a father of one, allegedly strangled Ms Derkacz using his forearm or in the crook of his elbow after subjecting her to 12 months of 'controlling and coercive' behaviour. He then proceeded to contact two prostitutes immediately after her murder, the court heard.
🔮 He will be sentenced in December.
🔮 More than 2,500 serious offenders including killers will be stripped of their benefits following a campaign by victims' families.
🔮 Mr Khan had emailed The Ivy to say 'in my capacity as the Sheriff of Nottingham, I wondered if you would like me to attend your opening in Nottingham.
🔮 Stacey Hedges, 40, told friend Simon Stacey she could get him Rolexes at a discounted rate through her family connections in the jewellery industry.
🔮 She was jailed for 12 months on Friday as a judge said she had undermined security and could have caused untold harm inside and outside HMP Long Lartin.
🔮 Sentencing Morris, of Lytham St Annes, Lancashire, to three years and nine months in jail, judge William Harbage KC said more than $4.5million had been defrauded from companies as part of the con.
🔮 He had been expected to claim self-defence, asserting he set up the room at an Airbnb to film a 'tribute' to US show Dexter which he could post on TikTok.
🔮 Benjamin Day, 20, changed his plea part way through his trial at Wolverhampton Crown Court and admitted murdering Maria Saceanu. Day had been expected to claim self-defence, asserting that he set up the room to film a 'tribute' to Dexter which he could post on TikTok. But after an hour-long delay to proceedings on Tuesday, Day returned from the cells to the dock and appeared to smirk as he nodded towards the court clerk and entered a guilty plea. Day, wearing a dark suit and a maroon patterned tie, was remanded in custody and will be sentenced on December 4. Day was arrested in a Dexter-style khaki top after stabbing Ms Saceanu 78 times and beginning to dismember her body. The court heard the University of Worcester undergraduate prepared the room in Tividale, West Midlands, as a 'tribute' to the US drama.
Also by Claire Duffin
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 21 articles by Claire Duffin →

Topics

Hampshire Hants Spotify Waterlooville

Subjects

Sexton PERSON · 10× Derkacz PERSON · 9× Joanna Derkacz PERSON · 3× Shannon PERSON · 3× Stephen Sexton PERSON · 2× Waterlooville GPE · 2× Hampshire GPE · 1× Hants GPE · 1× Joanna PERSON · 1× Nicola Shannon KC PERSON · 1×

Narrative

'More evidence, we suggest, that Joanna Derkacz did not have use of her phone again that night and was, almost certainly, dead by then.' Ms Shannon said Sexton went on a site called 'Portsmouth Escorts. Escort and Erotic Massage' and sent a message saying: 'Hey baby are you still working?'
framing: assertive · carried by 1 article(s) · first seen 2026-10-21
🔮 Prosecutors said Sexton's 'first thought after the point of death was to try and find prostitutes', adding 'it may be that the act of killing her had raised arousal.' Sexton, a father of one, allegedly strangled Ms Derkacz using his forearm or in the crook of his elbow after subjecting her to 12 months of 'controlling and coercive' behaviour. He then proceeded to contact two prostitutes immediately after her murder, the court heard.

Claims (64 extracted, 11 hedged)

A marine engineer visited a prostitute after killing his partner as he was 'aroused' by raping and murdering her, a court heard. asserted
court → visit → her
Stephen Sexton, 39, strangled Joanna Derkacz, 37, a recruitment consultant, at their flat after their relationship broke down, it is alleged. asserted
it → strangle → flat
Sexton then took her car to visit a prostitute after sending the woman a message saying 'I'll be there in 20 minutes ok baby' jurors were told. asserted
jurors → take → minutes
Prosecutors said Sexton's 'first thought after the point of death was to try and find prostitutes', adding 'it may be that the act of killing her had raised arousal.' Sexton, a father of one, allegedly strangled Ms Derkacz using his forearm or in the crook of his elbow after subjecting her to 12 months of 'controlling and coercive' behaviour. He then proceeded to contact two prostitutes immediately after her murder, the court heard. uncertain
court → try → murder
Ms Derkacz was killed less than three weeks after she had warned police about his behaviour – saying he was 'very controlling' and could 'flip' at any time'. uncertain
he → kill → time
Sexton denies murder, rape and coercive or controlling behaviour. asserted
Sexton → deny → murder
Stephen Sexton, 39, is accused of strangling Joanna Derkacz, 37, after their relationship broke down Miss asserted
relationship → accuse → Derkacz
Derkacz was found dead at their home in Waterlooville, Hants, on December 28, 2023 Sexton denies murder, rape, and coercive or controlling behaviour Ms asserted
Sexton → find → murder
Derkacz was found dead at their home in Waterlooville, Hampshire, on December 28, 2023. asserted
Derkacz → find → December
It was heard that the pair had been sleeping in separate bedrooms for some time as their relationship had been breaking down. asserted
relationship → hear → time
Nicola Shannon KC, prosecuting, said Ms Derkacz had sent Sexton a message saying: 'Do you understand that you have been abusing me mentally and physically. ' asserted
you → prosecute → me
You have cheated on me with multiple women and controlling me. asserted
You → cheat → me
I don't know what u don't understand here. asserted
u → know → what
'You fucked up big time. asserted
You → fuck → ?
You are sick by even thinking that what u saying [sic] is important. asserted
saying → think → what
Not only that I can't trust u not only with women but I don't feel save [sic] around you.' asserted
I → trust → you
She then blocked his number. asserted
She → block → number
The court heard Sexton then spent most of the night at a friend's house before travelling to their flat after becoming 'pretty worked up by being blanked by Joanna.' asserted
Sexton → hear → Joanna
Ms Shannon said Ms Derkacz was in the bathroom facing the sink and had a connection to Spotify on the speaker – indicating that she was listening to music and may not have heard Sexton come in. uncertain
Sexton → say → music
She said he may then have put a bag over her head before pulling her a short distance to the bed where he raped and strangled her. uncertain
he → say → her
Ms Shannon KC said that there was a call made on Ms Derkacz's phone at 12.59am which went unanswered – which she suggested Sexton made to locate the phone. uncertain
Sexton → say → phone
She said: 'You will hear evidence which indicates that the pink phone was not opened again that night with her face ID - something which you may know from your own experience happens very easily when you pick up your phone. uncertain
you → say → phone
'More evidence, we suggest, that Joanna Derkacz did not have use of her phone again that night and was, almost certainly, dead by then.' Ms Shannon said Sexton went on a site called 'Portsmouth Escorts. Escort and Erotic Massage' and sent a message saying: 'Hey baby are you still working?' asserted
you → suggest → message
The woman then sent him a postcode and he launched Apple Maps and searched for that postcode. asserted
he → send → postcode
He then texted back saying: 'I'll be there in 20 minutes ok baby.' asserted
I → texte → minutes
The court heard he took Ms Derkacz's car and phone, as well as his two phones, with him. asserted
he → hear → him
Ms Shannon said: 'Stephen Sexton's first thought after the point of death was to try and find prostitutes in Portsmouth. ' asserted
thought → say → Portsmouth
Whatever had happened between them in the house it appears that the arousal that we suggest was part of the rape was not fully satisfied. asserted
we → happen → rape
It may be that the act of killing her had raised arousal.' uncertain
act → kill → arousal
Jurors were told Ms Derkacz suffered internal fractures of bones on both sides of her neck where pressure had been applied externally. asserted
pressure → tell → neck
The court heard the couple had been in a relationship for the last three years – one which the prosecution say had become controlling and coercive over the year before after Sexton lost his job and started taking drugs. asserted
Sexton → hear → drugs
Prosecutors said that by December 2023 Ms Derkacz was frightened of Sexton and had told her sister he had once tried to strangle her. asserted
he → say → her
'He also took her phone more than once and broke a phone and her laptop in fits of anger,' Ms Shannon said. asserted
Shannon → take → anger
'Over the months it had involved jealousy, paranoia and attempts to control and isolate her.' asserted
it → involve → her
She said on one occasion he had locked her out of their home because he said she had come home 20 minutes late from an evening out with friends. ' asserted
she → say → friends
She took shelter with one of those friends Daria. asserted
She → take → friends
His response to not knowing where she was to report her missing to the police, no doubt hoping that they would find her for him. asserted
they → know → him
The episode backfired, however, because it acted as the trigger for her asking him to move out and for her telling the police about the breaking of her laptop and his abusive behaviour. asserted
her → backfire → laptop
He didn't move out immediately - their dogs had just had a litter of puppies and it was agreed that he could stay until they were sold, but they lived in separate bedrooms. uncertain
they → move → bedrooms
On December 11, two police officers went to see Ms Derkacz as part of a 'welfare visit' and she told them that he was 'very controlling' and 'narcissistic' and 'he doesn't like it when I go out'. asserted
I → go → it
…and 24 more, not listed.
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