US Attorney General Jeff Sessions has been accused of racism after praising "the Anglo-American heritage" of US policing.
A prominent civil rights group and a US senator accused America's top prosecutor of "dog whistle" politics.
But a Justice Department spokesman said a Google search reveals it to be a common legal term.
Mr Sessions, a former Alabama senator, has previously rejected suggestions he harbours racist sentiments.
His remarks on Monday to the National Sheriffs' Association in Washington prompted a swift backlash.
Source : http://www.bbc.co.uk/news/world-us-canada-43039040