The Commodity Futures Trading Commission has issued subpoenas to ICAP brokers and as many as 15 Wall Street banks as part of an investigation into possible price manipulation of benchmark interest-rate swaps, according to people familiar with the matter./04/09/cftc-said-to-subpoena-icap-brokers-dealers-on-swap-prices . . .

http://hereisthecity.com/2013/04/09/cftc-said-to-subpoena-icap-brokers-dealers-on-swap-prices/