slurs. >> reporter: coates now an assistant u.s. attorney told to civil rights commission that the obama administration enforces the voting rights act in a racially selective manner. >> a large number of people working in the voting sector believe correctly and vehemently that enforcement of the voting rights act should not be extended to the white voters, but extended only to protecting the racial, ethnic and language minorities. >> reporter: a spokesman called the probe a so-called investigation, and thin on facts and evidence and thick on rhetoric adding that the department makes enforcement decisions based on the merits and not the race, gender or ethnicity of any party involved. the department has involved the civil rights commission with thousands of pages of documents and testimony from the assistant attorney general for civil rights. the d.o.j. told coates not to