They're in West Africa, Eastern Europe and it's very difficult for British law enforcement to take action against them in those jurisdictions,” Steve Profitt, Deputy Head of Action Fraud explains.
And a lot of the time, you’re not just talking to one person behind each profile - you could be exchanging messages with a circle of fraudsters acting together, according to KIS Finance.
But just as dating app users are at an all-time high, so is the number of people becoming victims of online dating fraud.
The male profile is in his late 40s (48 is the most common age) with a high income.
He presents himself as a widower, with a degree and of average height (5’10”).
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Around 7.8 million UK adults used online dating sites in 2016, up from just 100,000 in 2000.
She presents herself as a student, also with a degree and no interest in politics.