> The risk in the aftermath of Kirk’s murder is that a cycle of political violence will become self-reinforcing. Research suggests that partisans overestimate their ideological foes’ support for violence by as much as a factor of four (see chart 4). Fearing their opponents, they become more supportive of violence themselves. When they learn the truth their support for violence falls by a third.

https://www.economist.com/graphic-detail/2025/09/17/is-the-american-left-really-more-supportive-of-political-violence