Growing Number of Prosecutions for Videotaping the Police

http://abcnews.go.com/US/TheLaw/videotaping-cops-arrest/story?id=11179076&page=1

Article summary that citizens videotaping abusive police are being prosecuted and are often ordered to turn off devices and assaulted when they do not comply. The idea is that private conversations may not be recorded without prior consent - not sure how this applies to observational video. ACLU is of course siding with citizens.