The man accused of killing UnitedHealthcare CEO Brian Thompson remains behind bars after pleading not guilty to murder and terrorism charges Monday morning in New York. Luigi Mangione’s lawyer argues that the multiple state and federal investigations conflict with his right to a fair trial. CBS News correspondent Lilia Luciano reports. Source

On Monday, the House Ethics Committee released its report on former Rep. Matt Gaetz, a Florida Republican. Congressional investigators say they found substantial evidence President-elect Donald Trump’s initial pick for attorney general paid multiple women for sex, including a minor. Gaetz denies any wrongdoing. CBS News congressional correspondent Scott MacFarlane has the details. Source

A part of the Santa Cruz Wharf collapsed Monday afternoon during a high-surf warning, with authorities confirming two people had to be pulled from the water. Source

Former President Bill Clinton remains in “good spirits,” a spokesman said. Source

Former President Bill Clinton was admitted to a Washington, D.C., hospital Monday afternoon for “testing and observation after developing a fever,” an aide said in a statement. Clinton, who is 78, is said to be “in good spirits.” Source

Duncan has played in four games this season, with two starts. He suffered a hamstring injury in the team’s October 20 game at Buffalo and was placed on Injured Reserve. Duncan was placed on the team’s Designated for Return list earlier this month. Source

Gaetz ethics report says drug use and sex with a minor violated state laws; SpaceX launches 21 Starlink internet satellites. Source

Sebastian Zapeta, 33, was charged with murder and arson after a woman sleeping on the New York City subway was set on fire and died, police say. Source

Honda and Nissan are aiming to merge into what would be a powerful presence in the car industry. This comes as news emerges of Party City going out of business. CBS MoneyWatch correspondent Kelly O’Grady has more. Source

A Mega Millions player may win a big jackpot on Christmas Eve. The lottery prize for the December drawing is at an estimated $944 million. Source