You're allowed to tape what's going on in public in most states, NV being one of them. Unfortunately some officer don't like that and will beat and kidnap you if you do. Just like this man in Las Vegas. It's likely to cost the PD a lot of money and should, (but probably won't) cost the cop in question his job and a good chunk of time behind bars. (Video at the source).
Police beating of Las Vegas man caught on tape - News - ReviewJournal.com
And remember. It's just one bad apple.
Police beating of Las Vegas man caught on tape - News - ReviewJournal.com
And remember. It's just one bad apple.