Is “radical-left” violence really on the rise in America?

https://www.economist.com/graphic-detail/2025/09/12/is-radical-left-violence-really-on-the-rise-in-america?etear=usib_nl_2&utm_id=2108798 Is “radical-left” violence really on the rise in America? The killing of Charlie Kirk is part of a grim pattern of political violence. This is what the data show