Why did Robert L. Vesco leave the United States in 1972?

Robert L. Vesco left the United States in 1972 to evade legal authorities. He was accused by the U.S. Securities and Exchange Commission of looting $224 million from the Investors Overseas Services (IOS) mutual fund empire, defrauding thousands of investors. Additionally, he was indicted in 1973 for making illegal contributions to President Richard Nixon's reelection campaign and later, in 1976, for fraudulent schemes related to IOS. Vesco lived in various countries, including Costa Rica, The Bahamas, Nicaragua, and Antigua, reportedly using bribery to avoid extradition requests from the United States and Switzerland.1