It can be. If you do it once then ussually people dont do anything, but if you are constantley follwing someone, it can be saw as harrasment, and charges be saught after you. Unless it is gov. or police officers they are aloud to, and there is nothing you can do about it. It really just isn't safe either like you can be beat-up for doing it, and then the person can just claim self defense since you were following them.
In general, it is not illegal to photograph someone without their consent in public places where there is no expectation of privacy. However, it may be illegal to photograph someone without their consent in private places or in situations where they have a reasonable expectation of privacy. It is important to be aware of and respect the laws and regulations regarding photography in different situations.
You can photograph people in public without their permission for any reason you want.
In Texas, it is generally not illegal to take a picture of someone in a public place without their permission, as long as the person being photographed does not have a reasonable expectation of privacy. However, it is illegal to photograph someone in a private place without their consent, as this could be considered an invasion of privacy.
Yes, it is generally illegal to photograph a military base without permission due to security concerns and potential national security risks.
Yes. When someone does not follow rules and regulations the fishing activity is illegal and can the person can be charged with poaching or fined by conservation officers.
Someone using a camera.
Not necessarily, if it was just a general picure of people in a crowd. However, if the photo is to be used commercially (or in ANY money-making-type of endeavor) you MUST obtain a "release" from them allowing you to use. it.
no but if they follow through than it is pre planned and deserves a higher punishment.
Generally no, although it depends on where in the world you are and what you want to photograph - for example, it's usually illegal to photograph prisons or army bases.
Unless the job is work for hire or work for employer the photographer holds the copyright.
art
Based on the bare facts given in the question, no, it doesn't sound like it would be.