Luigi Mangione pleads guilty to federal stalking charges: 'Knew what I was doing'

NEW YORK (PIX11) --- Luigi Mangione, clad in khaki prison scrubs and free of handcuffs, strode into a federal courtroom and confessed to gunning down a UnitedHealthcare CEO in Manhattan two years ago, saying years of excruciating back pain fueled the meticulously planned attack. Mangione, 28, pleaded guilty to federal stalking charges during a hearing [...]