A Washington, D.C. metro officer has been arrested for allegedly supporting ISIS. Former counter-terrorism adviser Seamus Hughes joins CBSN to discuss the investigation, and how ISIS is recruiting Americans. Source

The FBI has arrested a Washington, D.C. transit cop on charges of supporting the terror group ISIS. CBS News’ Jeff Pegues joins CBSN with the latest on the investigation into 36-year-old Nicholas Young. Source

The U.S. State Department says it will increase its “Do Not Travel” guidance to 80% of countries worldwide because of “unprecedented risks” amid the COVID-19 pandemic. Dr. Dyan Hes, founder of Gramercy Pediatrics, joined CBSN to discuss the changes. Source

Leona Lewis’s career started in 2006 when she took the crown on the third season of the U.K.’s “The X Factor.” Her worldwide best-selling hit, “Bleeding Love,” earned her two Grammy nominations. She became the first British female solo artist to top the U.S. Billboard 200 chart in more than 20 years with her debut album, “Spirit.” Now, she is stepping onto a Broadway stage for the first time in the revival of Andrew Lloyd Webber’s Tony-winning classic, “Cats.” Lewis joins “CBS This Morning” to discuss her latest feline role. Source

The parents of “Star Trek” actor Anton Yelchin are breaking their silence about his sudden death. They held an emotional news conference Tuesday and announced a “wrongful death” lawsuit against Fiat Chrysler, the parent company of Jeep. Yelchin was killed after his Jeep Grand Cherokee rolled backward and pinned him in his driveway. Kris Van Cleave reports. Source

Mondale died of natural causes, his family said in a statement. Source

For the past six weeks, militias in Libya have been trying to flush ISIS out of Sirte, one of the terror group’s most significant bases outside of Syria and Iraq. U.S. airstrikes provided relief on Monday. Margaret Brennan has more. Source

Some cities across the country are witnessing outsized demand from homebuyers, with competitive bidding and rising property prices. After a sharp drop-off in interest at the start of the pandemic, Americans returned their attention to home-buying with vigor. CBS MoneyWatch reporter Aimee Picchi has more on the hottest housing markets. Source

New video of Ingenuity’s successful first flight makes it back to Earth as the helicopter prepares for its next mission that could happen as soon as Thursday. NASA scientists break down the monumental obstacles they had to overcome to accomplish the historical mission. Jonathan Vigliotti reports. Source

A dozen bills that would reform the way police are trained in Washington state are under consideration by lawmakers. Kris Van Cleave visited the state’s Criminal Justice Training Center to see how that new training is encouraging officers to slow down and take a step back. Source