Deluged with criticism over social media posts that spread misinformation in the aftermath of the shootings of two Democratic ...

Sen. Tina Smith (D-Minn.) pulled Lee out of a Senate Republican-only meeting on Monday night to talk to him about how “cruel” ...

His social media posts resemble those of a frequent user on right-wing message boards rather than those of a U.S. senator.

If there was a telling recent moment when it comes to how ugly our political discourse has become, it might well have been ...

The Utah senator was captured running from NBC journalists asking about his claim that Vance Boelter was a ‘Marxist.’ ...

Minn., confronted Republican Sen. Mike Lee of Utah on Capitol Hill Monday after he posted unfounded claims on social media ...

Republican Sen. Mike Lee took down social media posts mocking Democrats after the assassination of a Minnesota lawmaker ...

Senator Mike Lee condemned for falsely labeling far-right Minnesota shooting suspect a 'Marxist,' sparking bipartisan ...

Utah Sen. Mike Lee is facing outrage and calls for his resignation over social media posts that baselessly claim the man ...

NBC News turned to a University of Cincinnati expert on conspiracy theories to explain why politicians immediately spread ...

On Sunday night, police arrested 57-year-old anti-LGBTQ+ evangelical Christian Vance Boelter for killing Minnesota House ...