Panorama: Billion Pound Romance Scam

It's a crime that breaks the hearts of victims as well as emptying their bank accounts. Thousands of people lose money to romance frauds each year after being conned on internet dating sites. The criminals are called catfish, and they promise love and marriage to get cash. Reporter Athar Ahmad turns the tables on the fraudsters by using his own fake dating profile to expose the international gangs behind the crime.