SINGAPORE – The arrest of 10 foreigners in Singapore in a billion-dollar money laundering blitz has thrown the spotlight on their alleged links to business interests in Singapore and overseas, and the number of jurisdictions where some of them hold citizenship. Using publicly available data, The Straits Times set about exploring their international and local links. ST was also provided information by a source affiliated with the United Nations, which last Tuesday highlighted the role played by scam centres in South-east Asia in human trafficking. The 10 accused in the money laundering case here are citizens of seven different jurisdictions,…