Mola Lenghi reports on the new details in the Cybertruck explosion investigation, with authorities saying the suspect left behind a note providing clues to a possible motive; In the wake of the deadly truck attack in New Orleans, Trevor Ault reports as the FBI tells law enforcement across the country to be vigilant for possible copycat crimes; Aaron Katersky has details on President-elect Trump's sentencing in his hush money case in New York, with the judge indicating he will sentence Trump to an unconditional discharge; Mary Bruce reports on the Medal of Honor and Medal of Valor recipients awarded during a ceremony at the White House; and more on tonight's broadcast of World News Tonight.

Victor Oquendo reports on the deadly winter storm that slammed the mid-Atlantic and Northeast, creating treacherous travel conditions, cancelling more than 2,000 flights across the U.S. and killing at least four people, and Ginger Zee tracks the storm and the arctic blast behind it; Trevor Ault has details on the never-before-seen images obtained by ABC News of the homemade explosives authorities say the suspected terrorist brought to Bourbon Street before the New Year's attack in New Orleans; Erielle Reshef has new reporting on the first bird flu death in the U.S.; and more on tonight's broadcast of World News Tonight with David Muir.