Legal notice - this episode is the subject of a legal complaint. Panorama exposes the tricks of the UK's online dating industry, worth millions of pounds a year. Reporter Fiona Walker investigates how some unscrupulous dating websites are preying on those looking for love and searching for their perfect partner. She reveals a world where millions of photos and private details are taken from social media sites without people's consent and reused to set up fake profiles of imaginary potential partners to tempt the lovelorn. Celebrities, politicians and even children are among those whose personal information has been targeted. Whistleblowers reveal how they create fake profiles and adopt multiple personas to reel in those looking for love - all to boost profits.