Catch-22. You should only film them if you're in danger, & you're not in danger if they're being filmed, but if you're filming then you're not in danger, so you

Catch-22. You should only film them if you're in danger, & you're not in danger if they're being filmed, but if you're filming then you're not in danger, so you shouldn't film them, but then you feel in danger because they won't let you film, so then you can film, but now you're not in danger, so you can't film