What drives people? When your professional obligation is to uphold the laws and the constitution but you helplessly undermine your chain of command and your department guidelines and your heart says to not obey because your boss is a black woman (that don't look right) and you are moved by the ideologies of racism and sexism as certainly as the electrons are moved by electric forces and you are okay with Huma Abedin being a Hillary Clinton surrogate but a Pakistani Indian American is getting too close to the president for your comfort, what do you do? You make one last ditch effort. You would rather a madman near the nuclear code than a Pakistani Indian American near the President Of The United States.
The FBI did it to John Liu, who is born in New York City. He looked too Chinese to possibly occupy the second most powerful office in the country.
This is how you know racism in America's criminal justice system is a very real issue.