An Armenian-led ring of 73 criminals has been arrested in the US for allegedly using non-existent clinics and identity theft to file fraudulent claims, bilking the US government medical insurance programme Medicare out of $163m.<br /><br />The network's operations represent the largest Medicare fraud by one criminal organisation in history.<br /><br />Federal prosecutors have brought charges against them, most of whom were capture during raids Wednesday morning in New York City and Los Angeles.<br /><br />Roger Wilkinson reports.
