I'm not sure what your point is. Is it that it's okay to arrest them if they're not live? (Not attacking you--just hard to understand intention through text)
It really seems like their intention was to cook up charges, then realized they screwed the pooch and pretended it's all okay because now they're free. It's not. The intimidation has lasting effects and they know it.
It's possible that they didn't know it was a live broadcast.