en CB01 OFFICIAL. Ads on the Frontline looks at a controversial series of adverts produced by the Northern Ireland Office during the last 10 years of the Troubles. The aim was to encourage people to pass on information to a confidential phoneline to help end the violence. To some, the ads were British government propaganda, to others a cultural snapshot of Northern Ireland's brutal past. Ads on the Frontline hears from people on different sides of the debate. (BBC Genome)