Vicarious racism is when Black, Indigenous, and people of color witness other people in our communities experiencing racism, and we get secondary trauma from it. Vicarious racism can be triggered by observing racist incidents, learning about them, and in some cases, having to recount them.
Source: Racial Wellness, a book by Jacquelyn Ogorchukwu Iyamah
The tactless posting of graphic videos and images of Black people being victims of racist attacks is a form of vicarious racism.