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United States v. John Underwood
725 F.3d 1076
9th Cir.
2013
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Background

  • DEA and local police wiretapped and investigated a large ecstasy distribution organization led by Jimmy Luong; federal agents executed multiple federal arrest and search warrants based on a 102‑page federal affidavit prepared by DEA Agent Peter Johnson.
  • On July 22, 2010 officers executed a federal arrest warrant for Underwood at his Mansa Drive home; during a protective sweep officers observed a personal‑use amount of marijuana in plain view.
  • DEA Agent Johnson emailed LAPD Detective James Kaiser a summary and portions of the federal affidavit; Kaiser prepared a state affidavit for a Mansa Drive search warrant that copied about 4.5 pages nearly verbatim from Johnson’s federal affidavit without attaching the federal affidavit or clearly attributing the text.
  • Kaiser’s state affidavit otherwise contained two discrete factual items: the April observation of Underwood delivering two crates to Luong/Barrera (no description of crates’ contents) and the small bag of marijuana; the affidavit also relied on generalized, foundationless expert assertions about drug traffickers’ habits drawn from Johnson’s affidavit.
  • A California superior court issued the state search warrant; the ensuing search seized large quantities of cocaine, cash, ecstasy pills, packaging, and records. Underwood moved to suppress; the district court granted suppression, holding the state affidavit lacked probable cause and was a “bare bones” affidavit precluding Leon good‑faith reliance. The government appealed.

Issues

Issue Plaintiff's Argument (Underwood) Defendant's Argument (Government) Held
Whether the state affidavit supported probable cause to search Mansa Drive for ecstasy trafficking evidence Affidavit lacked underlying facts — only a single delivery months earlier and a personal‑use amount of marijuana; expert opinions were foundationless — therefore no fair probability of finding trafficking evidence Warrant supported by the same underlying federal investigation and factual summaries sent from DEA; affiant reasonably relied on that information The court held the affidavit failed to establish probable cause; it was largely conclusory and required impermissible inferences
Whether Leon’s good‑faith exception saves the seized evidence The affidavit was a bare‑bones affidavit so officers could not reasonably rely on the warrant; extrinsic factors do not cure a bare‑bones defect Even if not bare bones, officers reasonably relied on the warrant and the prior federal warrant/federal affidavit (extrinsic evidence) The court held the affidavit was bare bones; good‑faith exception did not apply. Even considering extrinsic factors, reliance was objectively unreasonable

Key Cases Cited

  • Illinois v. Gates, 462 U.S. 213 (establishes totality‑of‑the‑circumstances probable cause standard)
  • United States v. Leon, 468 U.S. 897 (announces good‑faith exception to exclusionary rule and identifies four situations where it fails)
  • United States v. Weber, 923 F.2d 1338 (Ninth Circuit: expert/opinion evidence requires foundation showing target is member of described class)
  • Messerschmidt v. Millender, 132 S. Ct. 1235 (Supreme Court: extrinsic supervisory or prosecutor review may bear on good‑faith analysis)
  • Ventresca v. New York, 380 U.S. 102 (magistrate must be given underlying facts to perform detached probable‑cause review)
  • Mapp v. Ohio, 367 U.S. 643 (exclusionary rule applies to evidence obtained in violation of the Fourth Amendment)
Read the full case

Case Details

Case Name: United States v. John Underwood
Court Name: Court of Appeals for the Ninth Circuit
Date Published: Aug 6, 2013
Citation: 725 F.3d 1076
Docket Number: 11-50213
Court Abbreviation: 9th Cir.