Sick videos of a man abusing vulnerable people on the streets are being probed by police after they were posted on YouTube
The bully, who calls himself 'Tramp Buster' online, is captured driving around and mocking bystanders in foul-mouthed exchanges.
Some of his victims appear to have learning difficulties while others admit to taking drugs.
YouTube footage shows he taunted a man about eating discarded Greggs snacks from bins while he ridiculed another man clearly unsteady on his feet about his appearance.
In one video, he tells a victim: "All the people who watch these videos, this is what your tax money goes on."
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