Alexandria Ocasio-Cortez actually said...

Now, what happens when the FBI does find instances of white nationalists in local law enforcement? What does the FBI do?

So it sounds like there isn't a protocol for what to do when a police officer is found to be part of a white supremacist organization.

In a 2006 bulletin, the FBI detailed the threat of white nationalists infiltrating police departments, a coordinated effort.

Police officers have been dismissed across the United States... for having ties to the Ku Klux Klan.