Story highlights Chris Rock posts selfies after being pulled over three times in last seven weeks

"Stopped by the cops again wish me luck," he posted this week

(CNN) Comedian Chris Rock made light of racial disparities in police treatment of whites and blacks with a tongue-in-cheek guide to not being beaten by the police.

He encapsulated the frustration and grief caused by a New York grand jury's decision not to indict a white police officer in the death of a black man with a simple tweet: "This one was on film."

Now, he's stirring things up again with a series of tweets documenting three traffic stops in seven weeks.

"Stopped by the cops again wish me luck," he posted early Tuesday, along with a photo showing him behind the wheel of a car with what looks like blue police lights in the background.

He posted similar photos in February.

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