Park Hills, Mo.

48 Hours correspondents Erin Moriarty and Anne-Marie Green discuss the murder of Katlyn Lyon Montgomery and how her family turned to TikTok to demand justice.

Local and federal authorities said "investigators are actively inspecting the information provided in the message for its authenticity" regarding the disappearance of Nancy Guthrie.

The footage is included in a video that promotes false claims that the 2020 presidential election was rigged against Mr. Trump.

The second gold medal of the Milano Cortina Games was awarded to Frida Karlsson of Sweden in the women's 10km+10km skiathlon.

Skier Chris Lillis said he was "heartbroken about what's happened in the United States," while skater Amber Glenn said she "will not just be quiet."