Don't `Put It in Writing,' Hayes Told Colleague at Citigroup

  • Hayes gave tips to traders, brokers as resistance mounted
  • Messages shown to jurors at trial of six brokers in London

British trader Tom Hayes leaves Southwark Crown court in London on May 26, 2015 after a day of evidence in his trial over alleged rigging of the London Interbank Offered Rate (Libor).

Photographer: Ben Stansall/AFP via Getty Images
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Tom Hayes schooled brokers and traders on how to downplay requests to manipulate Libor as scrutiny of the benchmark rate intensified in 2010 after he joined Citigroup Inc., according to e-mails and messages at a trial in London.

Hayes, who was convicted in August of manipulating the benchmark, asked a junior colleague in Tokyo to help him push a version of the rate lower in a March 2010 instant message. The electronic chat was read to jurors by prosecutors in the fifth week of a trial of six former brokers.