Diamondback Cooperator Calls Should Be Barred, U.S. Says

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Jurors in the insider-trading trial of Level Global Investors LP co-founder Anthony Chiasson shouldn’t hear recorded calls a cooperator made at the behest of the FBI because they contain false information and were used as a ruse to ensnare other suspects, prosecutors said.

The government urged exclusion of the FBI’s recordings because they contain a mixture of “incriminating and (false) exculpatory statements” that could confuse jurors and unfairly turn them against the U.S. case, according to court papers.