Since the advent of GPS tracking, many debates over its legality have come into play. Is GPS tracking a violation of the Fourth Amendment, that protects citizens against unreasonable searches and seizures? Does GPS tracking exceed a citizen’s reasonable expectation of privacy? As more court cases rely on GPS tracking evidence as part of the investigation, these questions of legality become more and more relevant. Courts continually set precedents that determine GPS tracking legality to build a comprehensive ruling on the subject. In short, is GPS legal? Lawmakers say, yes, as long as certain protocol is followed.
Note: GPS tracking is subject to State law. Please consult your local State laws before using a GPS tracker.
When is OK to track a vehicle using a covert GPS tracker?
- As long as the car you’re tracking is visible to the public
- As long as you could obtain the same location information by physically trailing the car
- As long as you put the GPS in the car while outside of the curtilage of a person’s property
When is it NOT OK to track a vehicle using a covert GPS tracker?
- When you have to physically hardwire the GPS into the vehicle
- When you have to break into the car, or open the car to install the tracker
- Where there is a reasonable expectation of privacy. i.e., inside of a garage or home
The Case Study: Using GPS Tracking Information as Evidence
Let’s start off this explanation of GPS’ legality with a case study. Michael A. Sveum of Wisconsin was convicted of stalking Jamie Johnson in 1996 and was promptly sent to jail. He stalked Ms. Johnson the entire time he was in jail with the help of his sister, and he continued to stalk her when he was released from jail. When Ms. Johnson reported this to the police, police went to his home, walked up his driveway, and placed a GPS tracker on the outside of his car. After following him for some time, the police retrieved the GPS tracker, and found out that Sveum was indeed stalking Ms. Johnson. Armed with the tracking information, police were able to obtain a search warrant and they eventually gathered enough evidence to re-convict Sveum. Sveum immediately appealed the ruling, stating that the police didn’t have the right to place a GPS tracking on his car to begin with because it directly violated the Fourt Amendment.
What the Court of Appeals concluded was that with this case, there was no direct violation of the Fourth Amendment. The police were completely within their own jurisdiction when they trailed the GPS tracker on the car because the car was visible to the general public. This decision was based on two previous cases: U.S. v. Knotts and U.S. v. Karo. What Knotts concluded was that GPS tracking does not violate the Fourth Amendment if the GPS is put on a car in public view. What Karo concluded was that it is legal to track a car and obtain information that could be obtained by manually trailing the car. It makes no difference whether it’s a GPS device tracking the car in these types of places or the police themselves.
Remember, it’s very important to check local and State laws before using a covert GPS tracker to gather location information since these laws vary by state.
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