Comment: Yes, probably the same guy you're thinking of

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In reply to comment: The guy driving reminds me of (see in situ)

Yes, probably the same guy you're thinking of

Here he tells the story:
https://www.youtube.com/watch?v=YUzd7G875Hc

Actual footage of his window being broken and him being hit with the tazer (disturbing):
https://www.youtube.com/watch?v=WVMZUgmrJrk

After they attacked him they charged him with two misdemeanors. You can watch some interesting clips from his trial here, here, here, and here.

Anderson was found not guilty and went on challenging unconstitutional police checkpoints.