How can I create Screen Tearing Effect?

Hey, I would love to recreate some sort of “Screenteatring” Effect with post-process Nodes. Similar to the one of Cyberpunk´s Temperence Ending.

Since I´d love it to be sort of interactive, I figured that I´d crop the image in post to just the horizontal centerline of Pixels, and then vertically stretch them to almost screen size or above.
Is that the wrong approach, how would you go for creating that effect?

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