Donal poses as a football hooligan with the Chelsea Headhunters in order to expose a world of organised violence with links to the extreme right.

Donal MacIntyre infiltrates the privatised care industry to uncover physical abuse and neglect of people with mental disabilities.

Donal poses as a photographer to infiltrate the fashion industry in London, Paris and Milan, uncovering sexual exploitation of underage models and drug abuse.

Donal MacIntyre investigates con artists, infiltrating a team who are planning to defraud a millionaire lottery winner with an `advance fee' scheme.

Donal uncovers sharp practice in the City by entering the closed world of insider dealing.