OCTOBER 17, 2009 Rajaratnam Surfaced in U.S. Terrorism Probe By EVAN PEREZ and MATTHEW ROSENBERG WASHINGTON—The hedge-fund billionaire charged as part of a vast insider-trading case surfaced in an earlier, separate probe into U.S. fundraising by a Sri Lankan terrorist group, people familiar with the probe said. As part of that investigation, federal agents said they uncovered documents showing that Raj Rajaratnam, founder of the Galleon Group, was among several wealthy Sri Lankans in the U.S. whose donations to a Maryland-based charity made their way to the Liberation Tigers of Tamil Eelam, according to people familiar with the probe. Raj...