There aren't too many investors who would describe Citigroup (NYSE:C) as a risk-free investment. But of the many potential risks that face Citi and its shareholders, which ones should be front and center for investors? In the video below, I discuss three of these key risks, including the overhang of potential lawsuits and regulatory reform.

To be sure, this doesn't encompass the entire picture at Citigroup. While there are risks ahead, there are also opportunities, and it's important for investors to investigate both sides of the picture before pulling the trigger -- on either a buy or a sell.

Fool contributor Matt Koppenheffer has no positions in the stocks mentioned above. The Motley Fool owns shares of Citigroup Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.