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The Broken Fourth Amendment Oath, Laurent Sacharoff

Sturm College of Law: Faculty Scholarship

The Fourth Amendment requires that warrants be supported by “Oath or affirmation.” Under current doctrine, a police officer may swear the oath to obtain a warrant merely by repeating the account of an informant. This Article shows, however, that the Fourth Amendment, as originally understood, required that the real accuser with personal knowledge swear the oath.

That real-accuser requirement persisted for nearly two centuries. Almost all federal courts and most state courts from 1850 to 1960 held that the oath, by its very nature, required a witness with personal knowledge. Only in 1960 did the Supreme Court hold in Jones …

Using Technology The Founders Never Dreamed Of: Cell Phones As Tracking Devices And The Fourth Amendment, R. Craig Curtis, Michael C. Gizzi, Michael J. Kittleson

University of Denver Criminal Law Review

No abstract provided.

Unlocking The Fifth Amendment: Passwords And Encrypted Devices, Laurent Sacharoff

Sturm College of Law: Faculty Scholarship

Each year, law enforcement seizes thousands of electronic devices — smartphones, laptops, and notebooks — that it cannot open without the suspect’s password. Without this password, the information on the device sits completely scrambled behind a wall of encryption. Sometimes agents will be able to obtain the information by hacking, discovering copies of data on the cloud, or obtaining the password voluntarily from the suspects themselves. But when they cannot, may the government compel suspects to disclose or enter their password?

This Article considers the Fifth Amendment protection against compelled disclosures of passwords — a question that has split and …