Dennis Andrew Nilsen was a Scottish serial killer and necrophile who murdered at least twelve young men between 1978 and 1983 in London, England.

Tracie Andrews murdered her fiancé, Lee Raymond Dean Harvey on 1 December 1996. She was sentenced to life imprisonment after being found guilty of murder at her trial in July 1997 and served 14 years before being released from prison.

Keith Henry Blakelock, a London Metropolitan Police constable, was murdered on 6 October 1985 during rioting at the Broadwater Farm housing estate in Tottenham, North London.

The Millennium Dome raid was an attempted robbery of the Millennium Dome's diamond exhibition in Greenwich, South East London occurring on 7 November 2000. A local gang planned to ram-raid the De Beers diamond exhibition which was being held in the dome at the time. The gang had then planned to escape via the Thames in a speedboat. The attempted robbery was foiled by the Flying Squad of the Metropolitan Police Service. This operation was the biggest undertaken in the Flying Squad's history and at trial the judge in the case commended the way it was carried out.

Steven Gerald James Wright, also known as the Suffolk Strangler and the Ipswich Ripper. He is serving life imprisonment for the murder of five women who worked as sex workers in Ipswich, Suffolk. The killings took place during the final months of 2006, and Wright was found guilty in February 2008.

Stephen Lawrence, aged 18, was a black British teenager from Plumstead, Southeast London, who was murdered in a racially motivated attack while waiting for a bus in Well Hall, Eltham on the evening of 22 April 1993. The case became a cause célèbre; its fallout included cultural changes of attitudes on racism and the police, and to the law and police practice. It also led to the partial revocation of the rule against double jeopardy. Two of the perpetrators were convicted of murder in 2012.

Sally Anne Bowman was an English singer, hairdresser and model who was murdered in the early hours of 25 September 2005 in Croydon, South London. Bowman, aged eighteen years at the time of her death, had been robbed, raped and repeatedly stabbed. Mark Dixie, who had a history of robbery and sexual offences, was convicted of the murder and sentenced to life imprisonment with a recommended minimum of 34 years.

In April 2015, the Hatton Garden Safe Deposit Company, an underground safe deposit facility in London's Hatton Garden area, was burgled. The total stolen may have a value of up to £14 million, and the incident has been called the "largest burglary in English legal history." The heist was planned and carried out by six elderly men who were experienced thieves, all of whom pleaded guilty and received prison sentences in March 2016.

The Hungerford massacre was a series of random shootings in Hungerford, England, on 19 August 1987, when Michael Robert Ryan, an unemployed antique dealer and handyman, fatally shot 16 people, including a police officer, before shooting himself.

Peter William Sutcliffe, who was dubbed the "Yorkshire Ripper" by the press was convicted in 1981 of murdering 13 women and attempting to murder seven others.

The Shepherd's Bush murders, also known as the Massacre of Braybrook Street, was the murder of three police officers in London by Harry Roberts and two others in 1966.

Joanne Christine Dennehy, committed three murders known as The Peterborough Ditch Murders in March 2013. All three victims were male and died from stab wounds. Their bodies were discovered dumped in ditches outside Peterborough. In Hereford, two other men were stabbed, but survived. Dennehy was later sentenced to life imprisonment with a whole life order.

James Bulger was just two years old when he was abducted from a shopping centre in Bootle, Liverpool, on 12 February 1993. His body was found on a railway line two days later. His killers were Robert Thompson and Jon Venables, both aged 10.

Frederick Walter Stephen West was an English serial killer who committed at least 12 murders between 1967 and 1987 in Gloucestershire, the majority with his second wife, Rosemary West. All the victims were young women.

On March 13, 1996, Thomas Hamilton entered a primary school in the small Scottish town of Dunblane and shot to death 16 young children and their teacher before turning a gun on himself.

Jeremy Nevill Bamber (born 13 January 1961)  was found guilty in October 1986 of the murders of his parents, his sister and her six-year-old twin nephews. The shooting of the family in August 1985, in the parents' farmhouse in Essex, England, came to be known as the White House Farm murders.

In 2009, John Worboys, the ‘black cab rapist’, was found guilty of sexually assaulting 12 women. Police now believe he used ‘date-rape’ drugs to attack over 100 female customers between 2002 and 2008.

The Brink's-Mat robbery occurred at the Heathrow International Trading Estate on 26 November 1983, with a record £26 million (today approximately £86 million) worth of gold bullion, diamonds, and cash stolen from a warehouse.

Stephen Port, 41, was handed a whole life sentence in 2016 for abusing and killing four men using date rape drugs before dumping their bodies in the street or his local graveyard in Barking, East London.

On 21 December 1988, Pan Am Flight 103 N739PA, whilst on the transatlantic leg of it's flight was destroyed by a bomb, killing all 243 passengers and 16 crew. Large sections of the aircraft crashed onto residential areas of Lockerbie, Scotland, killing 11 people on the ground.

The Great Train Robbery was the robbery of £2.6 million from a Royal Mail train heading from Glasgow to London on the West Coast Main Line in the early hours of 8 August 1963, at Bridego Railway Bridge, Ledburn, near Mentmore in Buckinghamshire, England.

Levi Bellfield (born Levi Rabetts; 17 May 1968), is an English serial killer. He was found guilty on 25 February 2008 of the murders of Marsha McDonnell and Amélie Delagrange and the attempted murder of Kate Sheedy, and sentenced to life imprisonment. 

On 23 June 2011, Bellfield was found guilty of the murder of Milly Dowler.

The notorious slaughter of five children between 1963 and 1965 by Ian Brady and Myra Hindley. Their victims, Pauline Reade, 16, John Kilbride, 12, Keith Bennett, 12, Lesley Ann Downey, 10, and Edward Evans, 17, were buried on Saddleworth Moor. Keith's remains have never been found. Brady and Hindley were jailed for life in 1966.

Jack the Ripper was a serial killer. Between August and November 1888, he murdered at least five women—all prostitutes—in or near the Whitechapel district of London’s East End. Jack the Ripper was never identified or arrested.

Dr Harold Shipman worked as a medical doctor and killed over 200 of his patients before his arrest in 1998.

Rachel Jane Nickell was murdered on Wimbledon Common, in South-West London on 15 July 1992. The initial police investigation of the crime resulted in the arrest in controversial circumstances of an innocent man; Colin Stagg who was acquitted. The perpetrator; Robert Napper was identified by a later police investigation, which secured a conviction in 2008.

Colin Pitchfork is a British convicted murderer and rapist. He was the first person convicted of murder based on DNA fingerprinting evidence, and the first to be caught as a result of mass DNA screening. Pitchfork raped and murdered two girls in neighbouring Leicestershire villages, the first in Narborough, in November 1983, and the second in Enderby, in July 1986.

Former spy Alexander Litvinenko was killed in November 2006. The 43-year-old had been an officer with the Federal Security Service (FSB), the successor to the KGB, but he fled to Britain where he became a fierce critic of the Kremlin. He was killed by radioactive polonium-210, believed to have been administered in a cup of tea.

The Krays were the most notorious criminals of the 1960s, heading an organised underworld empire of protection rackets, violence and murder. Ronnie and Reggie Kray were identical twins, born and raised in the East End of London.

Susannah 'Suzy' Jane Lamplugh was an estate agent reported missing on 28 July 1986 (aged 25) in Fulham, London, England. She was officially declared dead, presumed murdered, in 1994. The last clue to Lamplugh's whereabouts was an appointment to show a house in Shorrolds Road to someone she referred to as "Mr Kipper". As of 2020 the case remains unsolved.

Sarah Evelyn Isobel Payne, an 8-year-old school girl, was the victim of a high-profile abduction and murder in July 2000. The subsequent investigation became a prominent case in the UK.. Her murderer, Roy Whiting, was convicted in December 2001 and sentenced to life imprisonment. Her mother campaigned for "Sarah's Law" officially called the Child Sex Offender Disclosure Scheme.

On 6 December 1995, Rettendon was the scene of the triple murder of Tony Tucker (38), Patrick Tate (37) and Craig Rolfe (26), three drug dealers shot dead in a Range Rover down a small farm track. Two men, Jack Whomes and Michael Steele, were convicted of the murders on 20 January 1998 after an Old Bailey trial, and sentenced to life imprisonment. The key witness was police informer Darren Nicholls, who gave evidence against his former friends at their trial.

On 16 June 2016, Jo Cox, the British Labour Party Member of Parliament for Batley and Spen, died after being shot and stabbed multiple times in Birstall, West Yorkshire by Thomas Alexander Mair, a 52-year-old gardener with far right views.

The largest cash robbery in the world during peacetime was masterminded by mixed martial arts fighter Lee Murray. On the evening of 21 February 2006, several armed men abducted and threatened the family of the manager, tied up fourteen staff members and stole cash worth over £53,116,760, in bank notes belonging to the Bank of England from a Securitas Cash Management Ltd depot in Tonbridge, Kent.

Stephen Marshall, 38, stabbed a former work colleague to death and cut his body into pieces  -  the discovery of which over three weeks led to the case being nicknamed the Jigsaw Murder.

Michael Stone , 57, is serving three life sentences for the murders of Lin and Megan Russell near Chillenden in Kent in July 1996, and the attempted murder of Josie Russell, then nine. Lin, 45, and her daughter Megan, six, were bludgeoned to death with a hammer. Lin's daughter Josie was also attacked but miraculously survived the horror.

Michael Fagan is a British man who broke into Buckingham Palace and entered Queen Elizabeth II's bedroom in 1982. The incident was one of the 20th century's worst royal security breaches.

Dr Crippen was hanged in Pentonville Prison, London, after being convicted of murdering his wife in 1910. After killing her and hiding her remains in the cellar of his London home, the American-born doctor tried to escape to Canada with his lover, Ethel Le Neve, who was dressed as a boy. But Crippen was caught after Henry Kendall, the sharp-eyed captain of the SS Montrose, on which he and Ethel were fleeing across the Atlantic, recognised him and alerted Scotland Yard. He was arrested by a detective who made a dramatic trans-Atlantic dash in a faster vessel.

Charles Ingram is a former army major and game show contestant who became known after being convicted of cheating on the television game show Who Wants to Be a Millionaire? in 2001, after winning the maximum prize of one million pounds. 

Beverley Gail Allitt (born 4 October 1968) is an English serial child killer who was convicted of murdering four children, attempting to murder three other children, and causing grievous bodily harm to a further six. The crimes were committed over a period of 59 days between February and April 1991 in the children's ward at Grantham and Kesteven Hospital, Lincolnshire, where Allitt was employed as a State Enrolled Nurse.

The John Darwin disappearance case was an investigation into the faked death of the British former teacher and prison officer John Darwin. Darwin turned up alive in December 2007, five years after he was believed to have died in a canoeing accident.