No it is not as long as it is of them now if the picture is not then it is possibly illegal. But the safest thing to stop all the police and FBI getting involved if they see the pictures is to not do it
No. Assuming you have access permission, the user has chosen to allow you to view the photo. Saving the image is no different. If, however, you put the image online elsewhere, then you could be breaking the law, but that depends on your jurisdiction.
No you can take pictures
A pedophile is a person who is an adult but has in appropriate thoughts and acts upon children. It is illegal and many people have strong hatred against pedophiles.
Should a minor take nude photos of themselves, this is not illegal. It is illegal for another person to possess photos of minors nude. It is considered an act of child pornography to possess or take pictures of minors or persons under the age of 18 nude or partially nude.
Yes, it is illegal to ask a minor for pictures, especially if the pictures are of a sexual nature. This behavior is considered child exploitation and can result in serious legal consequences.
no
Absolutely not.
Yes, it is illegal to distribute pictures without consent, as it can violate privacy laws and lead to legal consequences.
For some pictures yes, and for others no. It is illegal to use copyrighted images for your own purposes. It is also illegal to search for, store, and view certain images like child pornography. If the image is in the public domain and is not obscene, then you can use the pictures.
Strictly speaking, no, that is not in and of itself illegal, though there is a bit of ambiguity due to anti-child pornography laws and the fact that it's famously difficult to define "pornography." It kind of depends on the pictures themselves. An Underoos ad is probably okay, anything which even hints at sexuality is probably not.
It is illegal to sext or text porn pictures
That depends on what you mean by stock market pictures. There are a wide variety of stock market pictures available on the internet, but taking pictures with in an area where stock are being traded could be illegal without consent.