[1][2] An abolitionist and a anarchist, her activism consists of demand for the elimination of police and prisons.

[3] She is the author of Invisible No More, a history of state violence against women of color, and co-author of No More Police: A Case for Abolition with Mariame Kaba.

[5] Ritchie is a Researcher-in-Residence at the Social Justice Institute at the Barnard Center for Research on Women.

[1][12] In it, she gives a history of often-obscured state violence against women of color in the United States, beginning in the colonial period and continuing through the present, discussing how the historical precedent established current conditions.

[14] In a review for Policing and Society, Robert Nicewarner found four major contributions Ritchie made with the book: demonstrating the historically contingent and structural nature of police violence against women of color; the development of “mixed” methodology interweaving statistics and personal stories; demonstrating the insufficiency of police response to violence against women of color; and demonstrating the “dire need to resist and reform” these issues.