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Gregory DAVIS





Classification: Homicide
Characteristics: Alcoholic - Davis was himself planning to be a serial killer
Number of victims: 2
Date of murder: January 28, 2003
Date of birth: 1979
Victims profile: Dorothy Rogers, 48, and her son Michael, 19
Method of murder: Stabbing with knife / Hitting with a hammer
Location: Great Linford, Buckinghamshire, England, United Kingdom
Status: Sentenced to closed psychiatric confinement in 2003

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Gregory Davis (born 1979) is an English spree killer and former art student who was convicted of the double manslaughter of Dorothy Rogers and her son Michael Rogers in 2003. He is currently serving an indefinite sentence in Littlemore Hospital.

Early life

Gregory Davis was born to a respectable family residing in Great Linford, Buckinghamshire, England as the son of a civil engineer and a care assistant. He attended secondary school at Radcliffe School.

Davis first studied art during his sixth form, and later at Northampton University. One of his works of art made during this period consisted of a trophy plaque bearing the names of his favourite serial killers.


Davis was himself planning to be a serial killer and used his diary to plot to murder. Progressing on a diary entry that spoke of a desire to kill ad infinitum "all over the world" he eventually went on a murder spree on January 28, 2003. Working his way through a compiled hit list he first paid visit to Stewart Johnson who escaped as kitchen fitters were working in his home. Davis then continued down the list to Stantonbury where the home of Dorothy Rogers failed to put up an obstacle to his murder aspirations.


  • Dorothy Rogers, a 48-year old divorcee, was stabbed 31 times at her home in Stantonbury.

  • Michael Rogers, aged 19, was stabbed, bludgeoned and disembowelled at a children's playground.

  • Mick Cowles was attacked with a hammer and seriously wounded.

Trial and imprisonment

On 15 December 2003 Davis stood trial at Luton Crown Court and pleaded guilty to manslaughter on the grounds of diminished responsibility. Mr Justice Richard Aikens accepted the plea after a team of five psychiatrists diagnosed him with major depressive disorder, social anxiety disorder, alcohol dependence and to be suffering from a psychotic episode at the time of the crime. He was given an indefinite sentence to be served at Broadmoor Hospital. In 2009 he was transferred to Littlemore Hospital where he is allowed out on short release.

A Mental Health Review Tribunal will decide on his eventual release in July, 2011.


Butcher freed

By Jamie Pyatt -

16 Nov 2009

A double killer who butchered a mum and disembowelled her son walks free - after just six years off the streets.

Gregory Davis, 30 - locked up indefinitely by a judge - is allowed out alone for two hours twice a week in the run-up to release.

Last night his victims' loved ones - who thought he would be in Broadmoor for life - were "mortified".

Davis was switched to a less secure unit 18 months ago - and psychiatrists now say he is harmless.

Experts blamed the horrific 2003 slaughter of Dorothy Rogers, 48, and son Michael, 19, on a "psychotic episode" he suffered. Davis had written in a sick diary how he planned to be a serial killer before he battered the mum's partner senseless with a claw hammer, then used it to bludgeon her.

He also stabbed Dorothy 31 times with a 12-inch carving knife at her home in Milton Keynes, Bucks. Then he chased her teenage son to a playground where horrified parents and kiddies saw the teenager disembowelled.

A friend said as Dorothy's surviving son and her twin sister reeled at the killer being let out: "It's as if Davis just had a bad day at the office and is fit to go back to work again now.

"This man absolutely ruined their lives with a premeditated and merciless attack. It was a bloodbath. If they say he is now sane then send him to an ordinary prison to finish his time."

Davis has been enjoying his routine twice-weekly unsupervised outings from the Littlemore unit in Oxfordshire for at least six months.

One of them involves him being driven back to Milton Keynes - the town where he committed his terrible killings - to visit his parents.

AdvertisementThe other sees him wandering around the Oxford area, where he chats to strangers in cafes and shops for luxuries including hi-fi mags.

Davis pleaded guilty at Luton Crown Court to double manslaughter - claiming diminished responsibility.

But within 18 months of being locked up he had a human rights lawyer battling for him - with taxpayers footing the 10,000 legal aid.

Davis is now due to go before a Mental Health Review Tribunal to decide if he is ready to be moved out of the soft unit and into a cushy hostel.

He would be at liberty to come and go as he pleases - subject only to a curfew. His victims' pal raged: "It seems all anybody cares about here is the killer."


Mother and son killed by 'psychotic'

Monday, 15 December, 2003

A graduate with a fixation for serial killers and mass murder was planning "the perfect murder" when he bludgeoned and stabbed to death a mother and her teenage son.

Gregory Davis, 24, was detained indefinitely at a mental institution after Luton Crown Court heard how he armed himself with a carving knife and hammer and attacked three people.

Davis, of Milton Keynes, killed Dorothy Rogers, 48, and her 19-year-old son Michael at their home in Great Linford, Milton Keynes, on 28 January 2003.

On Monday he pleaded guilty to manslaughter on the grounds of diminished responsibility and to causing grievous bodily harm with intent to Michael Cowells, Mrs Rogers's boyfriend.

The court heard Davis was in the grip of a "psychotic episode" when he killed.

He was analysed by five psychiatrists who agreed he suffered depression, alcohol dependence and social anxiety.

Mr Justice Richard Aikens accepted the plea and said: "I'm satisfied you are suffering from mental illness and that it is appropriate that you be detained in a hospital for mental treatment."

Patrick Browne QC, prosecuting, said Davis knew Mr Cowells and Mrs Rogers from a the Pilgrim's Bottle pub, Great Linford, where they used to drink.

At the height of his depression he took a knife and hammer to Mrs Rogers's home on the Stantonbury Estate.

Serial killer 'ambitions'

After an argument in the house he attacked Mr Cowells with the hammer and then turned his attention to Mrs Rogers and her son.

Michael Rogers, who was killed after witnessing his mother's death, had tried to escape from the house but was stabbed in a nearby children's playground.

The court was told Davis's original idea had been to kill Mr Cowells.

Mr Browne said the defendant had "ambitions" to be a serial killer and was fascinated with mass murder and killers.

He read extracts from Davis's diary which detailed a formula for his future life.

It read: "Quit job tomorrow. Get Mick killed. Get Stuart to withdraw cash everyday. When all gone, kill him.

"Repeat Mick plan ad infinitum all over country and world in Las Vegas and swanky bars."

In mitigation, Graham Parkins QC said: "The general public must appreciate this was the action of a sick man."

Mr Cowells, 63, has since died after a fall at home.



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