Daily Star's biggest headlines straight to your inbox! A viral TikTok video has shed light on an interesting thing police officers do when they pull over a car - showing numerous examples of cops who firmly tap the boot as they approach.In the clip, uploaded by user @mr.alexaa, a number of officers are filmed approaching vehicles from the left-hand side and in every instance, they tap the boot before speaking to the driver.The clip was watched more than 30 million times since it was uploaded on July 5 and thousands of people commented, with many suggesting it was because of fingerprints.
One user said: "It's to leave fingerprint so that when something bad happens to the cops the car's owner would be questioned or suspected."A second.
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