Orin Kerr writes:
The Fourth Amendment says that warrants must state where the government will search and what evidence the government will seize. In recent years, some federal magistrate judges, when asked to sign warrants for computer searches, have began imposing a new third requirement: limits on how computers can be searched.
[…]
In light of that ongoing debate, I thought I would flag a recent opinion by Magistrate Judge David Waxse in Kansas, In the Matter of the Search of Cellular Telephones within Evidence Facility Drug Enforcement Administration, Kansas City District Office. The opinion rejects an application for a warrant to search cell phones in DEA custody because the investigators refused to provide the court with a search protocol. If the government seeks review, it may generate the first Article III precedent that grapples with whether such restrictions are permitted.
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