Isaiah Joseph Brueggen v. Investigator Dan Baudek and Investigator Brandon Stoughtenger

Brueggen v. Baudek · United States District Court for the Western District of Wisconsin · May 18, 2026 · No. 26-cv-235-jdp

Summary

The court screened Isaiah Joseph Brueggen’s pro se complaint alleging that investigators falsely reported that a substance tested positive for methamphetamine, leading to criminal charges that were later dismissed. The court dismissed the federal malicious prosecution and state-law defamation claims for failure to state a claim, but granted Brueggen one opportunity to amend. The court concluded that the positive field test established probable cause and that the investigators’ statements were protected by applicable immunity.

Holdings

  1. The Eighth Amendment did not govern Brueggen's claim because, when the events occurred, he was detained while awaiting resolution of the state's efforts to revoke his extended supervision, and that supervision had not yet been revoked.
  2. Brueggen failed to state a plausible malicious-prosecution claim because the positive field test supplied probable cause for the methamphetamine-possession charge, and probable cause is a complete defense to malicious prosecution.
  3. Brueggen failed to state a plausible Wisconsin defamation claim, and the court dismissed the claim.
  4. The court granted Brueggen one opportunity to amend his complaint despite concluding that the malicious-prosecution claim appeared futile.

Questions Presented

  1. Whether Brueggen stated a plausible Fourth Amendment malicious-prosecution claim under 42 U.S.C. § 1983 based on the investigators' positive field test and the later laboratory determination that the substance was salt.
  2. Whether the Eighth Amendment governed Brueggen's claim based on his custodial status while awaiting resolution of proceedings to revoke his extended supervision.
  3. Whether Brueggen stated a plausible Wisconsin defamation claim based on the investigators' statements about the substance.
  4. Whether Brueggen should be granted leave to amend his complaint.

Disposition

dismissed

Cases Cited (15)

  • Arnett v. Webster, 658 F.3d 742, 751 (7th Cir. 2011)(followed)
  • Tellabs, Inc. v. Makor Issues & Rights, Ltd., 551 U.S. 308, 322 (2007)(followed)
  • Bell v. Wolfish, 441 U.S. 520, 537 n.16 (1979)(followed)
  • Voss v. Marathon County, No. 18-cv-540-jdp, 2021 WL 148732, at *4 (W.D. Wis. Jan. 15, 2021)(followed)
  • Thompson v. Clark, 596 U.S. 36, 44, 49 (2022)(followed)
  • Evans v. Matson, No. 23-2954, 2024 WL 2206638, at *2 (7th Cir. May 16, 2024)(followed)
  • Mustafa v. City of Chicago, 442 F.3d 544, 547 (7th Cir. 2006)(followed)
  • United States v. Hill, 818 F.3d 289, 294 (7th Cir. 2016)(followed)
  • Larsen v. Carroll County, 798 F. App'x 942, 945 (7th Cir. 2020)(followed)
  • Alba-Guerrero v. Sirchie Acquisition Co., LLC, No. 24-cv-602-jdp, 2025 WL 1344872, at *3 (W.D. Wis. May 8, 2025)(followed)

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