From the moment Luigi Mangione was revealed as the person arrested in connection with last week’s murder of UnitedHealthcare CEO Brian Thompson, stories started spinning out about him on social media. Alibis posted by users who have manipulated photos of Mangione to suggest he was in different places at the time of the crime are breaking the Internet. He’s also become somewhat of an online sex symbol, with users claiming he’s “too hot to convict” and a “mug shot hottie.” And after his arrest, he gained about 1,000 followers a minute on X...