The killing of United Healthcare CEO Brian Thompson has sparked a widespread dialogue about the state of healthcare in the United States. And following the arrest of Luigi Mangione—the 26-year old accused of gunning down Thompson in New York City last week—a swell of support from some corners of the internet has left websites playing defense as he was swiftly turned into a macabre meme . Shortly after his arrest, some of Mangione's supporters quickly took to GoFundMe...