The violent criminal past of Darren Pencille, 36, can be revealed today by MailOnline in an extraordinary gangland video (shown in 2009) when he was found guilty of murder today

A & # 39; psycho & # 39; train traveler who killed a man on a commuter train for his teenage son, was found guilty of his murder today – his 30th crime since joining a London gang in his teenage years, MailOnline can reveal today.

Darren Pencille, 36, stabbed 51-year-old Lee Pomeroy 18 times in a & # 39; ferocious and ruthless & # 39; attack on a Guildford to London Waterloo train on January 4 this year.

Pencille is a career criminal who brags about his beliefs for carrying weapons and knives and fighting rivals & # 39; until the death of death & # 39; for its South London gang, it can be reported for the first time.

The cannabis addict was a lieutenant with the South Man Syndicate (SMS) team in the capital, whose members have been terrorizing the areas of Tooting, Streatham and Thornton Heath since the 1990s.

Mr. Pomeroy's widow, Svetlana, told Old Bailey that the murder of her husband was a & # 39; meaningless loss of life & # 39; was aggravated because it was for their son, which she said was his & # 39; defender, guide and mentor & # 39; was lost.

Pencille's extraordinary criminal past with more than twelve beliefs – including the line of a man's neck over a cigarette paper from Rizla – was revealed in a gang video posted on YouTube calling for an enemy to meet him and to fight.

A fellow gang member who knew him well said to MailOnline: & He constantly smoked weeds and was a complete psychopath. I feel sorry for the man he killed and his son & # 39 ;.

Today it can be reported for the first time he was seen by a psychiatrist, 24 hours before he killed Mr. Pommeroy but he was certified as & # 39; no risk to himself or others & # 39; – months after he told a hostel employee: & # 39; I'm going to kill you you c *** & # 39 ;.

Pencille was diagnosed with paranoid schizophrenia in 2003, but he refused to take medication – and instead treated himself by smoking super-strong cannabis every day.

The violent criminal past of Darren Pencille, 36, can be revealed today by MailOnline in an extraordinary gangland video (shown in 2009) when he was found guilty of murder today

The violent criminal past of Darren Pencille, 36, can be revealed today by MailOnline in an extraordinary gangland video (shown in 2009) when he was found guilty of murder today

Darren Pencille, 36, is guilty today of killing Lee Pomeroy on a Guildford train in London for his 14-year-old son

Darren Pencille, 36, is guilty today of killing Lee Pomeroy on a Guildford train in London for his 14-year-old son

Darren Pencille, 36, is guilty today of killing Lee Pomeroy on a Guildford train in London for his 14-year-old son

Darren Pencille, 36, is guilty today of killing Lee Pomeroy on a Guildford train in London for his 14-year-old son

Darren Pencille, 36, is guilty today of killing Lee Pomeroy on a Guildford train in London for his 14-year-old son

The couple argued on the train before the paranoid weed smoker knifed his victim for his son

The couple argued on the train before the paranoid weed smoker knifed his victim for his son

The couple argued on the train before the paranoid weed smoker knifed his victim for his son

This is the moment when the armed police arrested their husband, who was fleeing with his girlfriend and claimed that he had put his victim in self-defense

This is the moment when the armed police arrested their husband, who was fleeing with his girlfriend and claimed that he had put his victim in self-defense

This is the moment when the armed police arrested their husband, who was fleeing with his girlfriend and claimed that he had put his victim in self-defense

Mr. Pomeroy died on the eve of his 52nd birthday and was on his way to London for a day out with his 14-year-old son. A quarrel broke out after Pencille was thrown past the father and son into the aisle, creating a battle for words.

A line broke out after Pencille passed father and son. Knife-obsessed Pencille called his girlfriend and said, "I'm going to kill this man," then pulled a knife from his pocket and broke his victim 18 times, including a fatal cut on his neck.

Train killer Darren Pencille smokes cannabis on a YouTube video in which he exposes his long links to gangs and convictions of London for violent crime, burglary and possession of knives and a gun

Train killer Darren Pencille smokes cannabis on a YouTube video in which he exposes his long links to gangs and convictions of London for violent crime, burglary and possession of knives and a gun

Train killer Darren Pencille smokes cannabis on a YouTube video in which he exposes his long links to gangs and convictions of London for violent crime, burglary and possession of knives and a gun

Pencille got off at Clandon, where he was picked up by girlfriend Chelsea Mitchell (28), who pulled him off the scene and helped him change his appearance. She was found guilty of helping a perpetrator today.

Pomeroy died a little over an hour later after suffering the fatal neck wound along with another eight on his torso and cut further on his arm, hands and thigh in less than 30 seconds.

Darren Pencille asked calmly: & # 39; What is this about sir? & # 39; while armed police invaded his girlfriend's flat less than 24 hours after he killed a train passenger.

Pencille refused to testify in his Old Bailey trial and claimed that he had acted in self-defense. But jury members heard how 5ft in Pencille had a history of violence, stabbed a flatmate about a minor disagreement in 2010, and threatened to kill a staff member at a youth hostel in June last year.

A jury deliberated for 19 and a half hours to find Pencille, of no fixed place of residence, guilty of murder.

His girlfriend Mitchell, 28, from Farnham, Surrey, was found guilty by a 11-1 majority to help him evade the police after the attack.

Pencille's girlfriend Chelsea Mitchell drove him around the south of England after the murder and helped him change his appearance. She is guilty of assisting a perpetrator in the Old Bailey

Pencille's girlfriend Chelsea Mitchell drove him around the south of England after the murder and helped him change his appearance. She is guilty of assisting a perpetrator in the Old Bailey

Svetlana Pomeroy, widow of Lee Pomeroy who arrives today in the Old Bailey

Svetlana Pomeroy, widow of Lee Pomeroy who arrives today in the Old Bailey

Pencille's girlfriend Chelsea Mitchell drove him around the south of England after the murder and helped him change his appearance. She is guilty of assisting a perpetrator in Old Bailey, where Lee Pomeroy & Widow Svetlana attended the trial every day (right)

The British transport police (BTP) released body-worn camera images of the moment when the armed police raided their flat in Farnham, Surrey, in the early hours of January 5.

& # 39; He was the defender of our boy, guide and mentor – a guiding light extinguished forever & # 39 ;: Widow & # 39; s heartbreaking tribute to passenger killed for his teenage son

Darren Pencille, 36, is guilty today of killing Lee Pomeroy on a Guildford train in London for his 14-year-old son

Darren Pencille, 36, is guilty today of killing Lee Pomeroy on a Guildford train in London for his 14-year-old son

Lee Pomeroy trains on a Guildford to London for his 14 year old son

The grieving family of Lee Pomeroy said they were their & # 39; guide & # 39; lost in life.

In a gripping victim, Ms. Pomeroy stated that her and her son's life changed forever. on the day that her husband's life & # 39; was cut off so unnecessarily and cruelly & # 39 ;.

"Lee Pomeroy should have celebrated his 52nd birthday the day after he died," she added.

& # 39; We had cards and presents for him that he never got to see.

& # 39; Life has become empty. & # 39;

The court was told that Pomeroy, her 18-year-old husband, was in love with & # 39; their son and & # 39; all his hobbies & interests supported & # 39 ;.

& # 39; He was his defender, guide and mentor – a guiding light forever extinguished & # 39 ;, wrote Mrs. Pomeroy.

& # 39; To summarize the situation that he was with his father when he died, and we have to deal with that in the end.

& # 39; I am in tears when this statement is written because my heart is broken. & # 39;

The court heard Pencille & # 39; s criminal record contains 14 convictions for 19 crimes that also included burglary cases, witnesses of intimidation and possessing a firearm.

Mitchell has seven convictions for ten crimes spread over 2011 to last year and consisted mainly of threatening words and behavior and assault.

Mitchell is seen when he opened the door before Pencille was ordered to go back to the entrance with his hands on his head before being enthralled by officers and put into a waiting police bus.

Pencille can be heard: & # 39; Yes sir, yes sir & # 39; and & # 39; please, I'm not going to do anything please & # 39; before you ask: & # 39; What is this about sir? & # 39;

The murderer, who today sees life behind bars, revealed his criminal past online after he was accused by another gang in South London of rapist and a & # 39; teller & # 39; from the police.

In response, Pencille revealed his extraordinary list of criminal convictions and handwritten police reports to deny the accusations by proving that he was never guilty of sex crimes.

MailOnline can reveal today that Pencille was accused of rape in his hometown of Loughborough, Leicestershire, but the charges were later stopped.

In the YouTube video, Pencille tells his rival who gave him a & # 39; snitch & # 39; calls: & # 39; You are not in my class bruv – you are not on my radar. You ran, remember? & # 39;

When asked what he would say to someone who thinks he was a police informant, he replies: "Suck your mother. Why don't you come and confront me? I say everyone & # 39 ;, adding: & # 39; SMS to the f ***** death & # 39 ;.

While the killer smokes cannabis in the background of the video, presumably ten years ago, a friend shows six pages of Crown Prosecution Service documents.

They reveal that Pencille had been in prison at least three times between 1999 and 2004 and that the institutions of young offenders were imprisoned.

In 2004, he was convicted of owning a gun and ammunition and imprisoned for nearly three years.

Two years earlier he was caught twice wearing a knife in the streets of London, but he received a fine and community service.

Pencille also has one conviction for ABH, two for burglary, one for fraud, two thefts and driving without insurance.

The killer was also sent back to prison twice because he did not meet his bail conditions, MailOnline understands.

Pencille appears to have become an SMS member in the mid-teens and remained connected to the group, which was at its peak around 100 members and was known for the attacking rivals Brixton, Peckham, Lambeth and Streatham.

His girlfriend Chelsea Mitchell was convicted of a perpetrator today

His girlfriend Chelsea Mitchell was convicted of a perpetrator today

His girlfriend Chelsea Mitchell was sentenced to assist a perpetrator today after he had driven him off the scene and changed his appearance, including cutting his hair and beard and giving him new glasses (photo)

His girlfriend Chelsea Mitchell was sentenced to assist a perpetrator today after he had driven him off the scene and changed his appearance, including cutting his hair and beard and giving him new glasses (photo)

His girlfriend Chelsea Mitchell (left) was convicted of assisting a perpetrator today after he had driven him off the scene and helped him change his appearance, including cutting his hair and wearing glasses (right)

Members under the age of twelve have been associated with drug offenses and murders in London.

The extraordinary rap plate of the train killer and his & # 39; fixation & # 39; with knives

Pencille has dating a number of previous beliefs and warnings of violence 1997.

Pencille was accused of rape in his hometown of Loughborough, Leicestershire, but the charges were later stopped.

He was convicted of ABH after a fight in 1999 and twice convicted of having a knife 2002 and 2004.

In 2010 he pleaded guilty to GBH with the intention after stabbing a fellow inn resident in West Norwood, South London, twice in the side of his neck, cutting his artery, and once in the shoulder after a & # 39; minor disagreement & # 39 ; about Rizla papers.

Pencille was imprisoned for four and a half years for that attack.

In 2018 he admitted general assault after being excitedly excited at another housing location in Brixton, yelling at an employee that she was a & # 39; c ** t & # 39; and added: & # 39; I'm going to kill you. & # 39;

Pencille hammered on the door of the staff room with a fire extinguisher before he flung away and a & # 39; long metal object & # 39; in the direction of his bedroom where a kitchen knife was later found.

In 2010, he pleaded guilty to GBH with the intention, after stabbing a roommate in West Norwood, South London, twice in the side of his neck, cutting off his artery and once in the shoulder after a & # 39; disagreement & # 39; about Rizla documents.

Pencille was imprisoned for four and a half years for that attack.

Last year he admitted that he had grown offensively after being excitedly excited at another location in Brixton. He shouted at an employee that she was a & # 39; c ** t & # 39; and added: & # 39; I'm going to kill you. & # 39;

Pencille hammered on the door of the staff room with a fire extinguisher before he flung away and a & # 39; long metal object & # 39; in the direction of his bedroom where a kitchen knife was later found.

A forensic psychiatrist, who saw Pencille the day before the murder, said he was admitted to River House Medium Secure Unit in March 2015.

There it was observed that he & # 39; confronting and excited & # 39; was if he didn't get his way and & # 39; angry and threatening & # 39; was when his behavior was challenged.

Pencille has been in contact with mental health services since 2003, has been diagnosed with paranoid schizophrenia and has been treated for psychotic symptoms.

But instead of taking his medication, Pencille used self-medication with cannabis – what the jury heard or calm him down or quarrel him more.

Despite his violent tendencies and mental health problems, he was deemed to be & # 39; no risk to himself or others & # 39; during his last appointment on January 3 – the day before the train murder.

His six page & # 39; s list of beliefs is waved to the camera and reveals that he had twelve beliefs in five years

His six page & # 39; s list of beliefs is waved to the camera and reveals that he had twelve beliefs in five years

His six page & # 39; s list of beliefs is waved to the camera and reveals that he had twelve beliefs in five years

The most serious offense came in 2003 when he was imprisoned for 30 months for carrying a firearm and ammunition. He also had convictions for wearing knives

The most serious offense came in 2003 when he was imprisoned for 30 months for carrying a firearm and ammunition. He also had convictions for wearing knives

The most serious offense came in 2003 when he was imprisoned for 30 months for carrying a firearm and ammunition. He also had convictions for wearing knives

Pencille, 36, killed IT consultant Lee Pomeroy, 51, on a train from Guildford to London in January.

Assassin smoked cannabis to treat his paranoid schizophrenia and was considered & # 39; no risk to others & # 39; despite his threat to kill an employee

A forensic psychiatrist, who saw Pencille the day before the murder, said he was admitted to River House Medium Secure Unit in March 2015.

There it was observed that he & # 39; confronting and excited & # 39; was if he didn't get his way and & # 39; angry and threatening & # 39; was when his behavior was challenged.

Pencille has been in contact with mental health services since 2003, has been diagnosed with paranoid schizophrenia and has been treated for psychotic symptoms.

But instead of taking his medication, Pencille used self-medication with cannabis – what the jury heard or calm him down or quarrel him more.

It was deemed & # 39; no risk for themselves or for others & # 39; during his last appointment on January 3.

Mr. Pomeroy, who died on the eve of his 52nd birthday, was on his way to the capital for a day out with his 14-year-old son.

The Old Bailey heard how the argument broke out after Pencille made a & # 39; rather nasty comment & # 39; when he slipped past the Pomeroys down the aisle moments after boarding.

While the father was protesting against him and before thrusts were thrown, he threw a knife out of his pocket and stabbed Mr. Pomeroy in his neck, told the judges.

Pencille got off at Clandon, where he was picked up by girlfriend Chelsea Mitchell (28), who was accused of taking him off the stage, helping him change his appearance and searching the internet for killing.

Pomeroy died a little over an hour later after suffering the fatal neck wound along with another eight on his torso and cut further on his arm, hands and thigh in less than 30 seconds.

Jury members heard today how both Pencille and Mitchell later used their phones to scour the internet for every mention of the murder.

They looked at articles about stabbing on various websites, viewed tweets about it, and researched hotels in Aldershot, Portsmouth, and Surrey.

The disturbing images of multiple attack knives depicted by Pencille were shown to the Old Bailey jury

The disturbing images of multiple attack knives depicted by Pencille were shown to the Old Bailey jury

The disturbing images of multiple attack knives depicted by Pencille were shown to the Old Bailey jury

Jury members heard that when he was arrested during the deadly knife attack in January, the police seized and analyzed his iPhone, which contained a series of knife images

Jury members heard that when he was arrested during the deadly knife attack in January, the police seized and analyzed his iPhone, which contained a series of knife images

Jury members heard that when he was arrested during the deadly knife attack in January, the police seized and analyzed his iPhone, which contained a series of knife images

Pencille, who was wearing a beard at that time, also did extensive research into where to buy hair clippers.

Mitchell grabbed Pencille in her car and the two drove to her home in Surrey and later went to Tesco in Chichester, where she bought a hair clipper.

The court was shown a video filmed by Mitchell, who showed Pencille with recently treated puncture wounds on his hand and elbow.

Mitchell, 27, who denied assisting a perpetrator, lived with her violent friend in Farnham, Surrey.

Neighbors told MailOnline how to make their life a & # 39; hell of life & # 39; made – and feared for their own safety.

A few said: & # 39; They have & # 39; anonymous & # 39; phone calls made to the workplace of my partner who claimed to be pedophiles.

Claiming that we made all kinds of sounds day and night, which was simply not true.

& # 39; Neither worked and moved around Christmas 2017 and the first few months were fine.

& # 39; Then around August 2018 their wild accusations about us, their loud music and repeated banging started.

& # 39; I have been out of work because of fear caused by the situation. My fiance is now signed off from her work.

& # 39; We feel unable to go back to the flat because of what they have done to us and now that we know what they have done, the thought of what could happen to us is terrible & # 39 ;.

& # 39; What is this about sir? & # 39 ;: Moment armed police arrested murderer at his girlfriend's apartment after he was on the run for 18 hours after murder disaster

Darren Pencille asked calmly: & # 39; What is this about sir? & # 39; while armed police invaded his girlfriend's flat less than 24 hours after he killed a train passenger.

The 36-year-old was described by the police as & # 39; shrinking and dangerous & # 39; because he was found guilty of killing Lee Pomeroy the day before his 52nd birthday.

Pencille stabbed Mr. Pomeroy 18 times for his 14-year-old son in a 27-second attack after a small queue aboard a train in London at Guildford in Surrey on January 4.

His girlfriend Chelsea Mitchell (27) picked him up and bought hair clippers and razors to change his appearance while he tried to escape. She was found guilty of helping a perpetrator.

This is when Darren Pencille was arrested - his response to the police was: & # 39; What is this about sir? & # 39;

This is when Darren Pencille was arrested - his response to the police was: & # 39; What is this about sir? & # 39;

This is when Darren Pencille was arrested – his response to the police was: & # 39; What is this about sir? & # 39;

Armed police chased him while he was fleeing with his girlfriend for almost 24 hours

Armed police chased him while he was fleeing with his girlfriend for almost 24 hours

Armed police chased him while he was fleeing with his girlfriend for almost 24 hours

The British transport police (BTP) released body-worn camera images of the moment when the armed police raided their flat in Farnham, Surrey, in the early hours of January 5.

Mitchell is seen when he opened the door before Pencille was ordered to go back to the entrance with his hands on his head before being enthralled by officers and put into a waiting police bus.

Pencille can be heard: & # 39; Yes sir, yes sir & # 39; and & # 39; please, I'm not going to do anything please & # 39; before you ask: & # 39; What is this about sir? & # 39;

Detective Chief Inspector Sam Blackburn said that he & # 39; very calm in his nature and reaction & # 39; and never regretted or took any responsibility for what he did.

& # 39; I think it shows that he is both cunning and dangerous and he was about to kill Lee Pomeroy and he unfortunately succeeded, & # 39; he said.

& # 39; It's not just Lee & # 39; s mother, wife, sisters and of course … the son destroyed. But that has had a devastating effect on them. I hope they can rebuild their lives after this verdict. & # 39;

Blackburn said Pencille had a history of violence and a series of previous beliefs, including one in 2010 for stabbing a man's neck during another small queue.

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