Where is the boundary between checking someone's digital footprint, and stalking?
More specifically here is the hypothetical scenario.
My name is A. My friend 's name is B.
B goes to a bar in country C. Meets a woman W. Takes her to a hotel, and gets robbed by her accomplices.
Now, I have another friend D. I tell him the story. So when D visits country C, he also meets the self same W (we are doing hypotheticals). He was smart enough to ask W's Instagram. I check W's Instagram and find a picture of a Man M. I do a reverse google image search on M and W, and find out that both of them are convicted criminals in country C.
Q1: Will this count as stalking, if I am in Washington State, of USA, whereas C is a different country?
Q2: Now, had I used an AI to methodically scan and check every picture of W's Instagram, locate her facebook, and Twitter and other social media, will that be stalking?
Q3: If I have a database hosted in a server farm in the territory of USA, of all possible people, and I offer regular services to my friends (in exchange of money) about digital background and footprints of people (wherein I am absolutely sure that these friends are only concerned about their own safety and not trying to attack anyone), will that be legally permissible?