"Trump’s ‘That Dog’ Attack Is the Latest in a String of Insults Aimed at Black People
President Trump on Tuesday added his former White House aide, Omarosa Manigault Newman, to the growing list of African-Americans he has publicly denigrated on Twitter, calling her “that dog” and a “crazed, crying lowlife” in the wake of her allegations against him of mental deterioration and racism."
https://www.nytimes.com/2018/08/14/us/politics/trump-omarosa-dog.html