Open Fields Doctrine Research Reports

4th Amendment Project | Open Fields Doctrine

The Open Fields Doctrine Is Wrong

This year marks the centennial of the Fourth Amendment “open fields” doctrine. That doctrine holds that the vast majority of private land in the United States receives zero Fourth Amendment protection—and thus government officials can…

Good Fences? Good Luck

4th Amendment Project | Open Fields Doctrine

Good Fences? Good Luck

Released in the Cato Institute’s Regulation magazine, IJ’s study “Good Fences? Good Luck” is the first study to put a number on the amount of private property vulnerable to warrantless searches by federal agents thanks to a…