Here is a news crew's video of the incident. You can see that he is sitting calmly when they decide to run up and tase him.
Go to about 1:45 of Video #15 (Highway camera) and you can see them tase him, causing him to fall from the overpass:
Or you can watch the local news story and see the police's lame excuse that they were trying to "prevent" him from returning to the bridge. He was just sitting; there was nothing to prevent!
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