that is not the case. It is not about effort: The court has ruled that single point of time monitoring is fine, but continuous monitoring (a covertly placed gps tracker, e.g.) is a violation of privacy.
Neither of you are correct.
It's about how costly (in time, energy, money) is it to build how complete of a picture based on what level of prior suspicion?
Neither of you are correct.
It's about how costly (in time, energy, money) is it to build how complete of a picture based on what level of prior suspicion?