( CNN) It’s get hard to keep up with the latest hashtags devoted to 911 calls on black people.
As tales of these encounters ricochet across the media, it looks at times as if some mysterious new contagion — a quickly mutating sort of racial profiling — is taking hold of the collective psyche of White America.
But this behavior isn’t a symptom of anything new. It’s a modern twist on something old, say some historians and those who’ve lived through it. This aggressive patrolling of public space bears an eerie similarity to another race-induced contagion in America decades ago.