 Others criticize the term 'black-on-black violence' as it may imply that such violence is due to the black race itself, as opposed to various confounding factors.In reality, the proportion of intraracial murders is almost the same among blacks and whites in the United States with less than ten percentage points of difference in one-on-one attacks where the races were reported.Former New York City Mayor Rudy Giuliani said that Black Lives Matter is "inherently racist" and called the movement anti-American.