Hard drive search warrants: should there be any limits?

Matthew Lasar writes:

Here’s the latest hot debate among Fourth Amendment scholars: when magistrate judges issue search warrants on computers, should those warrants limit where in the machine’s directory system the police may look, or for how long they can scan the drive?

Professor Orin Kerr of George Washington Law School says no (PDF). Assistant Professor Paul Ohm of the University of Colorado Law School says yes (PDF).

Read more on Ars Technica.