Law Commons^™

The Corrosive Effect Of Inevitable Discovery On The Fourth Amendment, Tonja Jacobi, Elliot Louthen

Faculty Articles

The Supreme Court has only once, almost four decades ago, addressed the doctrine of inevitable discovery, when it established the exception in Nix v. Williams. Inevitable discovery encapsulates the notion of no harm, no foul—if law enforcement would have discovered unlawfully obtained evidence regardless of a constitutional violation, then the resulting evidence need not be excluded. Nix laid out two simple dictates: the eponymous requirement of inevitability and a corresponding evidentiary burden requiring the prosecution to prove by a preponderance of the evidence that law enforcement inevitably would have discovered the evidence without the violation. Such analysis requires counterfactual …

Evidence Laundering In A Post-Herring World, Kay L. Levine, Jenia I. Turner, Ronald F. Wright

Faculty Articles

The Supreme Court’s decision in Herring v. United States authorizes police to defeat the Fourth Amendment’s protections through a process we call evidence laundering. Evidence laundering occurs when one police officer makes a constitutional mistake when gathering evidence and then passes that evidence along to a second officer, who develops it further and then delivers it to prosecutors for use in a criminal case. The original constitutional taint disappears in the wash.

Courts have allowed evidence laundering in a variety of contexts, from cases involving flawed databases to cases stemming from faulty judgments and communication lapses in law enforcement teams. …