"The Suffolk Strangler. Steve Wright brutally killed five women over a six-week period in 2006. He is unquestionably one of Britain's Most Evil Killers."

"The Yorkshire Ripper. Examining some of the UK's most prolific killers. Peter Sutcliffe's five-year killing spree claimed 13 victims."

"Ian Huntley murdered two 10-year-old schoolgirls in a case that shocked the nation and changed the course of British policing."

"Between them, Fred and Rose West killed at least 12 girls over two decades in Gloucestershire. What fuelled their appetite for murder?"

"Levi Bellfield was already in prison for killing two women when he was found guilty of murdering schoolgirl Milly Dowler in 2002."

"The first woman in British history to be given a whole life sentence, Joanne Dennehy's 2013 rampage saw her murder three men and attack two more."

"The Crossbow Cannibal: A chilling look at Stephen Griffiths, who in 2009 viciously murdered three women - one in blatant view of a CCTV camera."

"A look at the north London serial killer Dennis Nilsen, who murdered at least 12 men before being caught when he began flushing remains down the toilet."

"When Tia Sharpe disappeared, Stuart Hazell helped police search for her. But in reality he'd murdered the 12-year-old schoolgirl."

"When Peter Tobin was convicted for raping and murdering a Polish student in 2006, further investigation linked him to two more murders."

"30 years after the tragedy in Hungerford took place, we recall the events of 19 August 1987 where killer Michael Ryan claimed 16 lives and his own."

"Nurse Beverley Allitt poisoned 13 children under her care, killing four of them, earning her the nickname \"The Angel of Death\" from the British media."

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"The story of Steven Grieveson, the so-called `Sunderland Strangler', who murdered four teenage boys before his capture."

"The case of the cannibal killer Stefano Brizzi, who murdered and consumed part of a police officer he met through a dating app."

"Profiling the Italian killer, jailed for murdering and mutilating his Bournemouth neighbour, Heather Barnett, in 2002."

"A chilling look at a man responsible for one of the biggest police investigations in Bristol - the cold-blooded murder of Joanna Yeates."

"A look at the Scottish serial killer who preyed on young girls between the ages of five and 11 throughout a six-year killing spree."

"A profile of the man responsible for the cold-blooded murder of two teenage girls in 1977, known as the World's End Murders."

"A look at the brutal murderer, dubbed The Beast of Manchester, who claimed the lives of three teenage girls in the 70's."

"A look at the 21-year-old killer who brutally took the life of British student Matthew Pyke, after developing an obsessive infatuation with his girlfriend."

"A look at the welsh serial killer known to some as The Wildman, who got four life sentences for a string of gruesome murders and sexual assaults."

"He decided to become a serial killer and brutally snatched away the lives of five innocent men. This is the story of the calculated murderer."

"A look at the convicted double-murderer responsible for taking the lives of Becky Godden-Edwards in 2007 and Sian O\u2019Callaghan in 2011."

"After killing 12 people in Cumbria in one of the worst firearm crimes in British history, Derrick Bird turned the gun on himself. Criminologists and psychologists explore what could have made Derrick, known as popular and funny, snap so dramatically."

"Mark Hobson walked out on his happy family with no explanation on New Year's Day. Five years later he went on a murder spree, killing his girlfriend, her sister and an elderly couple. Criminologists and psychologists try to decode this enigma."

"Harold Shipman: A profile of one of the most prolific serial killers in history. With an estimated victim-count of 250, what drove his horrific crimes?"

"Robert Napper: Known to some as The Plumstead Ripper, he was convicted of two murders, but his victim count is actually estimated to be much higher."

"A closer look at the murderer Stephen Seddon, a convicted fraudster who killed his parents in a cold-blooded crime as he tried to get his hands on their \u00a3230,000 estate."

"A profile of serial killer Dale Cregan, who was sentenced to life in prison after the senseless murders of two men and two police officers in 2012."

"The story of 21-year-old Anthony Arkwright from South Yorkshire, who in 1988 went on a killing spree in which he murdered three people - including his own grandfather."

"A profile of the cold-blooded killer John Sweeney, nicknamed the Canal Killer due to the places he dumped the body parts of his victims."

"A look at the crimes of Andrzej Kunowski, a man so vicious he was nicknamed the Beast after raping and murdering a 12-year-old girl in 1997."

"The story of Hartlepool man Arthur Hutchinson, who achieved notoriety in 1984 when he broke into a Sheffield home and took the lives of three family members in a senseless killing."

"Peter Moore, the killer dubbed 'The Man In Black', a murderer who took the lives of four innocent men for fun."

"A profile of the double-killer who branded himself the 'Angel of Mercy', after murdering two of his neighbours in cold blood."

"A profile of the man who murdered his wife, two children and two dogs on one terrifying day."

"A profile of the killer who, after killing 22-year-old Julie Hogg, became the first person to be convicted under revised UK double-jeopardy laws."

"A look at the man convicted of sexually assaulting and murdering two nine-year-old girls from Brighton in 1986."

"A look at the twisted killer who tortured and murdered a man in his home, filming the whole ordeal before torching the flat to cover his tracks."

"The horrifying story of a woman who murdered her own sister in a brutal attack, after developing a deadly obsession with her brother-in-law."

"A profile of the double-murderer who killed a 77-year-old teacher and 59-year-old reverend in two frenzied attacks"

"The life and crimes of Victor Farrant, who, upon being released from prison for rape and GBH, struck again - only this time his victim did not survive"

"The crimes of Colin Pitchfork, who took the lives of two 15-year-old girls and became the first person to be convicted of murder based on DNA fingerprinting evidence."

"The shocking story of Kenneth Regan and William Horncy, the men who murdered a millionaire and three generations of his family in a vicious, greed-fuelled attack."

"The story of Ali Qazimaj, the double murderer who was found guilty of the brutal assassination of an elderly couple."

"The story of Stuart Campbell, who was convicted of the murder of his 15-year-old niece in 2002, even though her body has never been found."

"The story of Trimaan Harry Dhillon, who attacked his ex-girlfriend in a jealous frenzy and committed a brutal murder after a campaign of harassment."

"The story of Jamie Reynolds, the 23-year-old killer who murdered 17-year-old former head girl Georgia Williams in 2013."

"The story of Sarah Williams and Katrina Walsh, friends who carried out the evil, jealousy-fuelled murder of businesswoman Sadie Hartley."

"The chilling story of Lee Ford, who killed his wife and four stepchildren in a cold-blooded murder spree over 24 hours in September 2000."

"The story of 27-year-old Pawel Relowicz, who raped and killed 21-year-old Hull student Libby Squire in a case that made headlines around the UK."

"British killer Daniel Gonzalez, also known as the Freddy Krueger Killer, who took four lives during a chilling two-day murder spree in 2004 after being inspired by horror films. He eventually commited suicide in his room in Broadmoor Hospital."

"The story of serial killer Geoffrey Evans and his accomplice John Shaw, who hit headlines in 1976 after the murders of two women in Ireland."

"The chilling story of Mark Martin, who murdered three homeless women in his quest to become Nottingham's first serial killer."

"The story of Malcolm Green, who was jailed for life for the brutal murder of a Cardiff prostitute, only to kill again when he was released after 18 years."

"A case highlighting the dangers of online grooming, 14-year-old Breck Bednar was lured to a London flat before being killed by a fellow teenager."

"The story of 30-year-old church warden Ben Field, who was jailed in 2019 for the murder of Peter Farquhar, 69, whom he duped into a fake relationship and persuaded to change his will, before drugging him with a cocktail of pills"

"A family's worst nightmare occurs when 16-year-old Becky Watts goes missing, and is found dead days later, murdered by her own stepbrother."

"The crimes of John Cannan, a dangerous sexual predator who murdered one young woman just days after his release from prison, and is suspected of many others."

"A fugitive from the United States, David Bieber, murders one British police officer and tries to kill two more, sparking a nationwide search."

"Jailed for the dreadful murder of a children's author, Ian Stewart receives a second conviction for the killing of his wife six years earlier"

"The crimes of Zahid Zaman. On the surface, he portrayed himself as a pillar of the community, but the true story of this cult killer was deeply sinister"

"After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences."

"Thirty-two years later, a convicted killer serving life for manslaughter is found to be guilty of having committed a second murder."

"A master manipulator is accused of the murder of his wife, and is eventually caught out by a polygraph test - and his own fianc\u00e9e."

"When Carol Jarvis vanished, doubts grew over her husband Harry's story - and sinister letters he sent his mistress did little to support his lies."

"In 2003, Jane Longhurst vanished. Her body was found weeks later and police soon closed in on Graham Coutts, who Jane had planned to meet."

"After killing his two children, Jordan Monaghan played the grieving father well. But a third death in 2019 saw detectives finally close the net."

"After killing Billy Bryan and Annie Castle, Danville Neil escaped justice for 30 years, but advances in forensics eventually caught up with him, helping to convict the murderer in 2020."

"In 1997, Nicholas Burton murdered Rachel McGrath in Stockport before abducting a student at knifepoint just hours later in Manchester. After a complex trial, the killer was found guilty and handed three life sentences."

"When the police investigate Adam Whelehan for the murder of Natalie Jarvis, they uncover a deadly plot fueled by cowardice, cruelty and misogyny."

"When 16-year-old Mhairi Julyan was killed, detectives used cutting edge forensics before closing in on Gavin McGuire, a repeat sexual offender."

"Across three counties, over four decades, Robert Howard preyed on vulnerable women - leaving two teenage victims dead."

"Mary McLaughlin's violent death haunted Glasgow detectives, with no forensic leads - but new techniques revealed a killer."

"Three victims murdered, a string of robberies and a killer with nothing to lose - can the police catch Anthony Russell before he strikes again?"

"Ten years after Laura May Al-Shatanawi met Hassan Al Shatanawi in Egypt, she became the devoted mother of a little boy, but she vanished without a trace."

"After leaving Maria, his bigamous wife, Malcolm Pearson and his innocent fianc\u00e9 Janet discovered just how dangerous his ex really was."

"When Charlotte Murray didn't show up to spend her 34th birthday with her twin sister, their family knew something was seriously wrong."