By Jennifer Peltz / AP December 18, 2024 9:00 PM EST NEW YORK — New York prosecutors are using a 9/11-era anti-terrorism law in their case against the man charged with gunning down UnitedHealthcare’s CEO outside a midtown Manhattan hotel. Luigi Mangione was indicted on charges of murder as an act of terrorism, under a state law that allows for stiffer sentences when a killing is aimed at terrifying civilians or influencing government. If it sounds like an unusual application of a terrorism law,