Investigating links with a dangerous kidnapper after a young woman is taken from the Chapeltown area of Leeds and held for ransom.

Andy Whittaker and Dr Julia Shaw explore this with former detective Bob Taylor and psychologist Serena Simmons.

The kidnapper is played by Anthony Lewis.

There’s graphic descriptions of violence told in a mixture of contemporary interviews and BBC archive. For details of help and support in the UK, visit bbc.co.uk/actionline.

Producer: Andy Whittaker.