Charlie Kirk’s death is a tragic marker of the indiscriminate nature of political violence | Margaret Sullivan

Like an infectious disease, it efficiently finds more and more victims. It's not picky about who they are

Once unleashed, political violence comes for everyone.

It doesn't know what side of the aisle you're on or what your ideology might be, who your allies are or what your vision for the future includes. It doesn't know what brand of media you consume or how many ardent followers you have.

Margaret Sullivan is a Guardian US columnist writing on media, politics and culture