A shocking paper trail shows Nancy Pelosi's son, Paul Pelosi Jr.'s connections to a host of fraudsters, rule-breakers and convicted criminals. A DailyMail.com investigation can reveal that Paul, 52, was involved in five companies probed by federal agencies. He was on the board of a biofuel company that defrauded investors, according to an SEC ruling, and whose CEO was convicted after bribing Georgia officials. Paul founded an environmental investment firm that turned out to be a front for two convicted fraudsters, documents reveal. He served as vice president of a company embroiled in an investigation of scam calls that targeted senior citizens. A medical company Pelosi Jr. worked for tested drugs on people without FDA authorization, DailyMail.com can reveal.