Brink's-Mat robbery deposit burglary in April 2015. The Brink's-Mat robbery occurred early on 26 November 1983 when six robbers broke into the Brink's-Mat warehouse, Unit 7 of the Heathrow International Trading Estate near Heathrow Airport in the west of Greater London. It was described as "the crime of the century". The gang gained entry to the warehouse from security guard Anthony Black. Once inside, they poured petrol over staff and threatened them with a lit match if they did not reveal the combination numbers of the vault. The robbers thought that they were going to steal £3.2 million in cash, but they
John Palmer (criminal) of Scadlynn Ltd were arrested for their involvement in melting down £26 million worth of gold from the robbery to try to pass it off as legitimate. Two days after armed robbers Brian Robinson and Micky McAvoy were jailed, Chappell withdrew £348,000 from the company's accounts. Throughout their trial, a total of £1.1 million had been withdrawn. During the raids, one of the suspects refused to confirm what they had been melting that morning. It was revealed that the company had been processing millions of pounds' worth of gold, but claimed it was gold they had purchased themselves. The company's