US prosecutors are offering immunity deals to junior traders in London as they try to gather evidence against banks and more senior staff in the investigation into alleged currency market manipulation.
US Department of Justice staff have flown to the UK to interview foreign exchange traders, who have been offered partial immunity in exchange for volunteering information about superiors, people familiar with the situation said.
Such “proffer agreements” allow people to give authorities information about crimes with some assurances they will be protected against prosecution, as long as they do not lie.
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