Below are some of the most shocking cases from across South Yorkshire that resulted in the terrible loss of lives.
Offenders have been involved in stabbings, stranglings and a shooting and have received a range of punishments with many facing long custodial sentences.
The tragic killings have involved the deaths of a father-of-three, two teenage boys and a popular boxer, among others.
5. Noel Ramsey
Pictured is Noel Ramsey, of Nottingham Street, Burngreave, who was jailed for five years in December after pleading guilty to manslaughter following the fatal stabbing of Fahim Hersi at the Centertainment complex in September 2018. Ramsey was aged 22 when he was sentenced at Sheffield Crown Court. Photo: South Yorkshire Police
6. Danny Trotter
Pictured is Danny Trotter, of no fixed abode, who was locked up in March, 2019, for a minimum of 22 years after being found guilty of murdering Gavin Singleton, 31, in a stabbing attack in Hillsborough, Sheffield. Trotter was aged 24 at the time he was sentenced at Sheffield Crown Court. Photo: South Yorkshire Police
7. Frank Mvila Kiongaze
Pictured is Frank Mvila Kiongaze, of Morland Road, Gleadless, Sheffield, who was jailed at Sheffield Crown Court in December, 2018, for stabbing 19-year-old Ryan Jowle in Tannery Close, Woodhouse, in a row over drug territory on May 22. Kiongaze, aged 23 at the time he was sentenced, received 12-years and seven-months of custody after admitting manslaughter. Photo: South Yorkshire Police
8. Lee Fueloep
Lee Fueloep, pictured, who was aged 40 when he was sentenced in December 2018, was jailed for life and ordered to serve a minimum of 35 years behind bars for the murder of 73-year-old Jill Hibberd. His victim was stabbed 70 times in her home on Roy Kilner Way, Wombwell, Barnsley, during a burglary, according to Sheffield Crown Court. Photo: South Yorkshire Police