How can Trump sympathizers be purged from police departments?

Just being pro-Trump is not a legitimate reason to remove someone from a police job,,, being a racist white supremacist on the other hand is,,

Let them live a year in Chicago's Englewood neighborhood before accepting them as police officers. Indicating the first IQ test and Mental Assessment test for qualification.  

The exposure would be an educational tool.

they can't, they are the police and the kkk

Fire them all and bring in the Muslim Brotherhood under the guise of diversity. Democrats would love that.

They could begin by checking social media. There's freedom of speech and then there is being straight up traitorous like some of the losers commenting on this thread. If you support Trump, straight-up you need to get the **** out of this country

That’s a very Hitler/Communist type statement. I thought libs were loving, peaceful, tolerant.... lol. Guess they’re not.  

How can Uncle Joe sympathizers be purged from police departments?

By starting a civil war 

By requiring cops to have a Bachelor's degree.