The killing of far-right influencer Charlie Kirk last month by a 22-year-old suspect has brought into focus the epidemic of gun violence in the United States. While Kirk was a victim of political violence, investigators are now pointing to a growing trend where shooters are not necessarily inspired by a clear-cut political ideology. Federal law enforcement officials have started using “nihilistic violent extremists” to describe perpetrators who do not easily subscribe to one ideology but appear to be motivated by a desire to, as one expert put it, “gamify” real-life violence. Recommended Stories list of 4 items list 1 of...