Luigi Mangione pleads not guilty to murder of health insurance CEO

By Jack Queen and Luc Cohen NEW YORK (Reuters) -Luigi Mangione, the man accused of fatally gunning down health insurance executive Brian Thompson on a Manhattan street, pleaded not guilty on Monday to New York state murder charges that brand him a terrorist. Mangione, 26, was escorted into Judge Gregory Carro's 13th-floor courtroom in the New York state criminal courthouse in lower Manhattan