A Trader, an F.B.I. Witness, and Then a Suicide
Dealbook reports the following on the government's insider trading investigations:
In a Manhattan courtroom last week, federal prosecutors played for a jury a secretly recorded telephone conversation between two Wall Street traders exchanging stock tips.
Two days later, one of those traders, Ephraim G. Karpel, hanged himself in his Fifth Avenue office, according to a law enforcement official.
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