No. 25-1205October Term 2025Before Arguments
Michael Mendenhall, Petitioner v. City and County of Denver, Colorado
from the United States Court of Appeals for the Tenth Circuit.
Case status
- Current stage
- Before Arguments
- Latest event
- Accepted by the Court
- Decision timing
- No window until argument is scheduled.
- What it's about
from the United States Court of Appeals for the Tenth Circuit.
Question presented
Should this Court overrule Jones v. United States, 362 U.S. 257 (1960) and hold that the Fourth Amendment prohibits courts from issuing warrants based on hearsay?
- Case path
United States Court of Appeals for the Tenth Circuit / Accepted by the Court
- Area
Criminal Procedure
Timing
Expected by late June 2026, if argued this term
The Court granted review but has not yet scheduled oral argument. Once argued, the median case reaches a decision in 94 days. Nearly all cases are decided by the end of the term in which they are argued.
Briefing
What it's about
This petition asks the Supreme Court to revisit Jones v. United States and decide whether the Fourth Amendment allows warrants based on hearsay (secondhand information). The petitioner says warrants should rest on sworn facts from someone with firsthand knowledge, not hearsay.
Argument
The case is still at the petition stage, and no oral argument is scheduled. The petition argues that Jones wrongly allowed hearsay to satisfy the Warrant Clause and asks the Court to overrule that precedent.
Impact
If the Court takes this case, the answer could affect how police officers apply for warrants and how judges review those requests. People challenging searches could also gain or lose a major argument about what kind of proof must support a warrant.
What is at stake in Mendenhall v. Denver?
The petition asks the Court to overrule Jones v. United States and say warrants cannot rest on hearsay (secondhand information). It argues the Fourth Amendment requires sworn facts from someone with firsthand knowledge.
Who could be affected if the Supreme Court takes Michael Mendenhall v. Denver?
People facing searches, police officers seeking warrants, and judges reviewing warrant requests could all be affected. A stricter rule could change what evidence officers must present before a warrant issues.
What happens next in Michael Mendenhall v. Denver?
The Court must decide whether to hear the case. There is no oral argument date or decision window yet.
Related cases




Grounding
- Grounding
- Primary materials plus reporting.
- Note
- Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.
- Checked
- Jul 17, 2026
- Method
- Methodology