“The tracking did not violate constitutional protections because the device only gave police information that could have been obtained through visual surveillance, Lundsten wrote.”
Uh huh. Now THAT my friends is some ivory tower judiciating. Let’s pretend they were going to follow him 24 hours a day for five weeks, filming it the whole time, he’d never catch on, overtime is free, and they have at least three cars and either three or six officers available just for him. And as many as they need for any arbitrary number of people they might want to follow at the same time.
However, the District 4 Court of Appeals said it was "more than a little troubled" by that conclusion and asked Wisconsin lawmakers to regulate GPS use to protect against abuse by police and private individuals.