If you were forced to wear a GPS ankle monitor at all times so your location would be known, that would be a Fourth Amendment search according to the U.S. Supreme Court which ruled on Torrey Dale Grady v. North Carolina (pdf).

A GPS ankle monitor was installed on twice-convicted sex offender Torrey Grady, without his consent, and he was ordered to wear it at all times for the rest of his life. Grady challenged the GPS ankle bracelet program as an unreasonable search, but North Carolina Court of Appeals looked at the case as civil in nature — unlike U.S. v Jones— and ruled the ankle monitor was not a search.

To read this article in full or to leave a comment, please click here