The terrifying Tesco Clubcard plot: Shocking way 'brilliant' criminal demanding £250,000 used new loyalty scheme 30 years ago to blackmail supermarket - before police talked to him via newspaper adverts
Weeks before the launch of Tesco's Clubcard loyalty scheme in February 1995, Italian-born Frank Riolfo worked out an ingenious but terrifying way to demand £250,000 from the supermarket.
