“The bedroom was ‘a shambles?’” the Grammar Police officer joked while making the arrest. “This whole damn operation is a shambles!”
Source: Associated Press.

“I hate to admit it,” Grammar Police officer Lebowski admitted, “but my people need to learn that a pierogi is a food, not a person or a mythical deity.”
Source: Pierogi Fest in Whiting, Indiana.

“I don’t even know what this is supposed to mean,” the author of the sign confessed during her arrest.
Source: City Colleges of Chicago headquarters.
(Reader submitted. Thank you, Angelique.)

The Grammar Police charged the sign owner with a felony count of misuse of quotation marks and a misdemeanor capitalization infraction. A charge of using an inane abbreviation was dropped.
Source: Hot dog stand in Chicago.

“Unless this sign means that 20 bucks belongs to someone named ‘Fannie May Pixie,’ you’ve made a terrible mistake,” the Grammar Police officer joked while arresting the sign owner.
Source: Jewels in Waukegan, Illinois.

“I have no idea what this is supposed to mean,” the Grammar Police officer said while making the arrest. The sign owner was charged with one count of erroneous typography and one count of aggravated broken English.
Source: Dry cleaner in Chicago.
(Reader submitted. Thank you, Alisa.)

An Internal Affairs investigation revealed that the Grammar Police Sheriff himself was guilty of making a blatant grammar error. He is currently suspended without pay.
Source: bokeen.com.
(Reader submitted. Thank you, Chad.)

Commas were too expensive. Superfluous apostrophes were not.
Source: Record store in Chicago.
(Reader submitted. Thank you, Colleen.)

“When will people learn that ‘sale’ is not a verb?” the grizzled Grammar Police veteran asked, shaking his head in disgust.
Source: Furniture store in Chicago.

While the topic is debatable, the Grammar Police are not in favor of the use of apostrophes for plural forms of acronyms. The sign owner was arrested.
Source: Car wash in Chicago.