Police say one student and one teacher were killed in a school shooting at Abundant Life Christian School in Madison, Wisconsin, Monday. The suspected shooter, a 15-year-old female student at the school, is believed to have died of a self-inflicted gunshot wound. At least six others were taken to the hospital. CBS News correspondent Ian Lee has more. Source

The officers became suspicious after noticing the female passenger “was not conscious and was not communicating.” Source

A deadly earthquake has struck the Pacific island nation of Vanuatu, damaging buildings in the capital, including one housing the U.S. embassy. Source

Osiel Cárdenas Guillén created the most bloodthirsty gang of hitmen Mexico has ever known, the Zetas. Source

Accused Gilgo Beach serial killer Rex Heuermann is due back in court on Long Island Tuesday morning, and prosecutors are promising a major development in the case. Source

Electors are voting in each state to formalize President-elect Donald Trump’s victory over Vice President Kamala Harris in the 2024 election. Source

Among the 25 films selected by the Library of Congress to be preserved for future generations are the Coen Brothers’ “No Country for Old Men,” “The Social Network,” Cheech & Chong’s “Up in Smoke,” and “The Texas Chainsaw Massacre.” Source

The head of Russia’s nuclear defense forces, Lt. General Igor Kirillov, was killed along with his deputy in an explosion in Moscow, Russian investigators say. Ukraine clams it was behind the blast. Source

A powerful earthquake hit the Pacific island nation of Vanuatu, damaging buildings in the capital, Port Vila, including one housing the U.S. Embassy. A witness said bodies were seen in the city. Source

Lindsey Reiser reports on the investigation into a fatal school shooting in Wisconsin, the biggest takeaways from President-elect Trump’s first post-election press conference, and the top health stories that defined 2024. Source