G. O W Chattanooga cumulus Media station. From ABC News. I'm Michelle Franzen. Investigations on several fronts are intensifying following the mob of Trump supporters who stormed the U. S Capitol and turned deadly the latest. The D C police officer died from his injuries, least in the nation's capital said they received 17,000 tips since they posted images of those in the violent mob that ransacked the capital. A priority is the death of Capitol police officer Brian Sick, Nick of the acting attorney general said died of injuries he suffered defending against the violent mob. Anyone involved could face murder charges. Before sick. Nick was a Capitol police officer. He served with the Air National Guard in New Jersey, where the governor called the death a needless murder at the hands of a mob bent on overthrowing the Constitution. Sick, Nick dedicated his life to upholding. Aaron Carter SKI ABC NEWS New York Democrats and several Republicans say the president is responsible for stoking his supporters at a rally earlier to March to the capital and for his actions later, in a delay of sending National Guard troops. Connecticut Senator Chris Murphy, appearing on ABC is the view. Why did it take the U. S military four hours to get to the Capitol Lawmakers say impeachment is not off the table. Today, President Trump announcing he will not attend the January 20th inauguration. Under pressure from Republicans, Even longtime allies President Trump on Thursday night released another video message on Twitter, the closest he's come to conceding the presidential election, Congress has certified, the results and new administration will be inaugurated on January 20th. My focus now turns to ensuring a smooth, orderly and seamless transition of power. But in that video, which is less than three minutes long, the president doesn't acknowledge Joe Biden's win, and he never says he lost. Karen Travers. ABC NEWS Washington Run a virus cases around the country still surging. His health workers try to ramp up vaccinations. And deaths reaching their highest daily number yet another record more than 4000 Americans, died yesterday. You're listening to ABC News. I.