I never knew that shooting in public would be dangerous. I mean, come on! There's an entire book titled, "Legal Handbook for photographers". But I was just reading an
article about how much of an hassle photographers can go through for taking pictures in public. The
article also suggested that you know your rights!
So here's a
link to the page that sums up your rights as a photographer! Know them!

This image was found here.
This is an image for the Photographer's rights in the US.