Simon Toyne travels to South London to unravel with Mark Billingham the unbelievable story of Banaz Mahmod, a woman murdered by members of her own family.

Simon Toyne travels to Liverpool to meet Alex Marwood and unravel the notorious murder of James Bulger, who was abducted and killed by two 10-year-old boys.

Simon Toyne travels to South Yorkshire to explore the bizarre case of a man dubbed 'The Rotherham Shoe Rapist

Simon Toyne travels to Darlington to investigate the case of Peter Chapman, dubbed 'The Facebook Killer'.

Simon Toyne travels to Wimbledon to delve into the famous murder of Rachel Nickell, a young mum attacked whilst walking with her little boy.

Simon Toyne travels to Yorkshire to investigate the abduction and murder of school girl Leanne Tiernan.

Simon Toyne travels to Cheshire to investigate the opportunistic crimes that took place at a remote barn house in Congleton.

Simon Toyne travels to Manchester to examine the gang-violence and turf wars which have shaped the landscape of one of the UK's bloodiest cities.

Simon Toyne travels to West London, where he explores the abduction and murder of seven year old Mark Tildesley.

Simon Toyne travels north to investigate one of the most chilling partnerships of all time, the crimes committed by Ian Brady and Myra Hindley.

Simon Toyne visits a quiet community in Northern Ireland to explore a double murder with Clare Mackintosh which has close parallels to her bestselling novel "Let Me Lie"

Simon Toyne goes to the state of Oregon in the US, where an incredible real-life case of multi-generational murder influenced Tess Gerritsen's book "Body Double".

Simon Toyne is invited by Mason Cross to his hometown of Glasgow to uncover a case that literally unfolded on his doorstep.

Simon Toyne is invited to Yorkshire by Peter Robinson the setting for his DCI Banks series, where he reveals the largely untold story of 14-year-old stabbing victim Elsie Frost.

Simon Toyne is introduced by Karin Slaughter to the case of 'Casanova Killer' Paul John Knowles who terrorised the US, and who came within miles of her home.

Simon Toyne is taken by Sophie Hannah to Nottingham to explore the murder of 16-year-old Collette Aram in 1983, the very first case featured on 'Crimewatch'.