Are foreign domestic workers the forgotten victims of modern slavery in Britain?
John Waite tracks down people who live as slaves in Britain.
Investigating the plight of foreign workers in the UK working in domestic servitude.
Are victims of modern slavery and trafficking being let down? File on 4 investigates.
Modern-day slavery in the UK - how the homeless and vulnerable are used for cheap labour.
Sangita Myska investigates the secret story of Britons held as slaves.