What if an investigation is based on finding the same specific people near another specific person that they're tracking, but they only know about the one person, not the others.
And by doing this they stop a terror attack?
One more thought - if they buy just data for specific people related to an investigation, the seller of the data is tipped off. If they just buy all the data, then there is no potential tip-off to the target.
alt Hacker News
What if an investigation is based on finding the same specific people near another specific person that they're tracking, but they only know about the one person, not the others.
And by doing this they stop a terror attack?
One more thought - if they buy just data for specific people related to an investigation, the seller of the data is tipped off. If they just buy all the data, then there is no potential tip-off to the target.