His wife has written a book about the couple's brush with Operation Ore.

BBC: Paedophile net: Did Operation Ore change British society?

Critics of Operation Ore argued that police had been too gung-ho in raiding so many properties without checking first whether images of abuse had actually been purchased.

BBC: Paedophile net: Did Operation Ore change British society?

One of the pilot sites for the developing the NPI approach is the Rio Tinto QMM ilmenite ore mining operation in Madagascar.

FORBES: Connect

In contrast to Ore, the US Operation Avalanche resulted in around 100 arrests following 144 searches from a database of 35, 000 transactions.

BBC: Paedophile net: Did Operation Ore change British society?

Since 2007 Galantas Gold Corporation, a Canadian firm, has been working what is currently Britain's only gold-producing mine at Omagh, in Northern Ireland, shipping the ore to Canada and running a small gold-jewellery operation.

ECONOMIST: The high price of gold is encouraging miners to dream

"Co-operation between Russia and Asia is already very diverse and includes natural resources such as energy and ore, " says Alexander Abramov at the Far Eastern Centre for Economic Development.

BBC: Davos 2011: Medvedev opens WEF with call to action