NY News Update - Fatal subway stabbing manhunt, George Santos sentenced, Luigi Mangione pleads not guilty

In this NY News Update, we look at Luigi Mangione pleading not guilty to a federal murder charge in the killing of UnitedHealthcare CEO Brian Thompson, former U.S. Rep. George Santos being sentenced to 87 months in prison for fraud and identity theft, and the manhunt for a suspect who stabbed another rider to death on the subway in Manhattan.