Channel 5 tonight (August 17) at 9pm.The prison is one of the most unique and controversial facilities in the UK, which is home to some of the country's worst female offenders.HMP Styal is a Closed Category prison for female adults and young offenders, based in Styal, Cheshire.As the Channel 5 TV show on the prison airs, we take a look at HMP Styal's most notorious inmates.Child killer Savannah Brockhill began a 25-year sentence at Styal for the murder of 16-month-old Star Hobson last year.Brockhill, an amateur boxer and security guard who called herself the “number one psycho”, punched the toddler to death in Keighley, West Yorkshire, on September 22, 2020.The murderer also laughed in the dock as the judge announced her sentence.Her girlfriend Frankie Smith, mother of Star, was jailed for eight years for causing or allowing the death of a child, but was cleared of murder.Frankie's sentence was then increased to 12 years earlier this year by the Court of Appeal after it was referred for being unduly lenient.Corinna Smith murdered her husband in 2021 by mixing boiling water with three bags of sugar and pouring it over her sleeping husband, who later died in hospital.The 59-year-old, who lived on Highfield Road in Neston, filled a bucket with two kettles' worth of boiling water and 3kg of sugar after hearing claims from her daughter that her husband, Michael Baines, had preyed on her two children when they were younger.She poured the bucket's contents over her 80-year-old husband while he was sleeping and then went to her neighbour's house to raise the alarm.READ MORE: Woman 'brutally' murdered husband, 81, by pouring boiling water and sugar over himHer neighbour then called 999 after hearing her say "I’ve hurt him really
