Map of 73 Years of Lynchings - The most recent data on lynching, compiled by the Equal Justice Initiative, shows premeditated murders carried out by at least three people from 1877 to 1950 in 12 Southern states. The killers claimed to be enforcing some form of social justice. The alleged offenses that prompted the lynchings included political activism and testifying in court. FEB. 9, 2015 Related Article