Mr. Flynn faces up to six months in prison for lying to federal investigators about his conversations with the Russian ambassador during the presidential transition. But prosecutors have recommended little or no prison time because he has provided “substantial help” with inquiries.

The details: An F.B.I. document released on Monday outlines some of Mr. Flynn’s lies.

Notable: Mr. Trump has long blamed a “deep state” in the government for his troubles. A growing number of people accused of wrongdoing are now adopting that defense.

Stocks hit a new low for 2018

This is shaping up to be Wall Street’s worst year since the financial crisis a decade ago, with the S&P 500 down 4.8 percent since January.

Driven by economic uncertainty, the slump is likely to be followed by a Federal Reserve decision to raise interest rates on Wednesday. Such moves are traditionally viewed as having a negative effect on stock prices .

What’s next: Markets in Asia and Europe were down today, but Wall Street futures suggest that U.S. markets could open higher.