【Watch Take Turns Tasting With College Alumni Online】

Eric Trump appears to have Watch Take Turns Tasting With College Alumni Onlinecommitted one of the cardinal sins of fast food: Putting a soft drink in a free water cup.

The noted map enthusiast was caught with a clear cup of lemonade in his hand at an In-N-Out restaurant after Wednesday's presidential debate.

Although Trump's stolen beverage was conveniently absent from his own Instagram photo, the truth emerged when he took a a pic with another customer...who is now an inadvertent whistleblower.

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For the record, In-N-Out confirmed to BuzzFeedthat clear plastic cups are indeed for water only, so Trump was clearly on the wrong side of the law here. But after seeing something as viscerally disturbing as this theft, it's natural to still have a few questions. For instance:

• Why did Eric Trump elect not to buy a cup of lemonade?

• Has Eric Trump everpaid for a cup of lemonade?

• Has his wife's purchase of a drink created a loophole that allows Eric Trump to take some of her drink and put it in his cup?

• Can a nice cup of lemonade, one of our society's best achievements, ever truly be owned?

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Anyway, stealing a fountain beverage is an unforgivable offense and we cannot imagine ever doing it. Ever.

Nope, we have never done this.