Before revision: Development of theory Zehr's book Changing Lenses–A New Focus for Crime and Justice, first published in 1990, is credited with being "groundbreaking",Dorne, Clifford K. Restorative Justice in the United States.
After revision: theDevelopment of theory Zehr's book Changing Lenses–A New Focus for Crime and Justice, first published in 1990, is credited with being "groundbreaking",Dorne, Clifford K. Restorative Justice in the United States.