Remember Francisco Sanchez? He’s the illegal immigrant who had been deported five — yes, five — times before killing Kathryn Steinle in San Francisco, one of the U.S.’s so-called “sanctuary cities.”

Now, if you’ve got a sense of how laws are supposed to work, you’re probably wondering how sanctuary cities exist in the first place. You’re not alone.

Here’s a great question:

Well, you know what they say: What’s good for the goose …

Oh, who are we kidding? We know exactly why selective law enforcement is a thing.

Or, put another way:

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Related:

Sanctuary for killers: Illegal immigrant deported 5x admits killing Kathryn Steinle; Says it was an ‘accident’

‘Incredibly f**ked up’: Detail about sanctuary city shooting story proves it’s a ‘real small world’ in SF politics

‘A disgrace’: Michelle Malkin remembers other ‘victims of deadly sanctuary policies’