Relevant to current events, here is some info. on Chelsea Clinton's father-in-law, Ed Mezvinsky:
-Former Iowa Congressman (D) and member of the House Judiciary Committee;
-Duped family, friends, and other investors out of $10 million using Nigerian email scams and Ponzi schemes;
-Plead guilty to 31 counts fraud charges in 2001, sentenced to 8 years prison in 2003 (served 5).
Source: http://www.snopes.com/politics/clintons/mezvinsky.asp