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.

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.