The above is a question you might want to ask yourself if you’re working on a bank currency desk these days, because the Feds are looking for snitches. And finding them.

Justice Department prosecutors and Federal Bureau of Investigation agents have "flipped" a number of bank employees who remained at their jobs, secretly gathering evidence against their colleagues by engaging in exchanges with suspects about possible crimes and recording them, these people said.

‘Flipped’ Bankers Aid U.S. in Foreign-Exchange Probe [WSJ]