Category Archives: Reasonable suspicion

CA9: Untimely post-trial motion to suppress not even considered on appeal

“Ellis also argues that the police officers’ search of his rental car resulted from an unconstitutionally prolonged traffic stop and was unsupported by probable cause. He pressed this claim in a post-trial motion that was untimely under Federal Rule of … Continue reading

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N.D.Ohio: Abandonment in flight from arrest under alleged illegal warrant still abandonment

Fleeing an arrest under what is now alleged to be an invalid warrant and abandoning property is still abandonment. United States v. Pool, 2025 U.S. Dist. LEXIS 138465 (N.D. Ohio July 21, 2025). There was probable cause for plaintiff’s arrest … Continue reading

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D.Mass.: Being a longtime member of a group that shared CP supported PC for defendant’s devices

“Given the length of Estrada’s membership in the two groups, the volume of files depicting child pornography shared during Estrada’s membership, and the detailed description of a file shared while Estrada was a participant in one of the groups, the … Continue reading

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C.D.Cal. denies stay in immigration stops without RS

Perdomo v. Noem, 2025 U.S. Dist. LEXIS 137993 (C.D. Cal. July 17, 2025), posted here, holds that reasonable suspicion is required for immigration stops and race alone isn’t enough. The government’s motion for stay pending appeal is denied. Without more … Continue reading

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DC: Flight even in a high crime area isn’t RS

Relying on the en banc opinion in Mayo v. United States, 315 A.3d 606 (D.C. 2024), flight in a high-crime area is not reasonable suspicion. People flee to avoid unnecessary confrontation with the police, who just might be potentially too … Continue reading

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CA7: Lifting mattress during protective sweep here wasn’t justified

The protective sweep under a mattress here was unjustified. Protective sweeps have to be based on known facts, not theories. Here, without deciding whether it was justified, on this record, lifting a mattress was unreasonable. There was no reason to … Continue reading

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C.D.Cal.: Roving immigration patrol stops without RS violate 4A

“Roving patrols without reasonable suspicion violate the Fourth Amendment to the Constitution and denying access to lawyers violates the Fifth Amendment to the Constitution. What the federal government would have this Court believe—in the face of a mountain of evidence … Continue reading

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E.D.La.: Use of translation app to communicate with def slowed the stop, but didn’t make it unreasonable

The officer’s use of a translation app on his cell phone to communicate with defendant didn’t unreasonably extend the stop. If limited questions can be asked, then logically an app can translate. Here, cell coverage was limited so that slowed … Continue reading

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S.D.N.Y.: Abandoning three large dogs to flee is more than just “mere refusal to cooperate”

“At the very least, leaving three large dogs effectively unrestrained in a public place to flee from law enforcement certainly amounts to more than the ‘mere refusal to cooperate’ that is protected by the Fourth Amendment. Cf. [Wardlow, 528 U.S. … Continue reading

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W.D.Mo.: Unidentified tipster corroborated by hand-to-hand transactions

The unidentified tipster was corroborated by defendant’s hand-to-hand transactions during surveillance, and that was probable cause. United States v. Mangol, 2025 U.S. Dist. LEXIS 130023 (W.D. Mo. May 23, 2025). Defendant sought to use the GPS information on his trailer … Continue reading

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IA: Video shows officers didn’t slow walk traffic stop for dog sniff

On de novo review, the officers didn’t slow walk the traffic citation to get more time to do the dog sniff. State v. Cox, 2025 Iowa App. LEXIS 567 (July 2, 2025)*:

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OH12: Adoption of suppression motion brief by reference on appeal is waiver

Adoption of his suppression motion brief by reference without briefing it was waiver. Defendant had no reasonable expectation of privacy in a conversation with his girlfriend in the presence of a CI. State v. Davis, 2025-Ohio-2382, 2025 Ohio App. LEXIS … Continue reading

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E.D.Ark.: Reacting defensively to request for consent contributed to RS

[While it was thin,] The officer had reasonable suspicion for a dog sniff, including “react[ing] defensively when asked for consent to search the Sentra by making a facial expression, flailing his arms to the side, and offering unprompted explanations as … Continue reading

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KS: There’s a statutory right of def to SW affidavits

A person accused has a statutory right of access to search warrant affidavits in his own case. “The applicable provisions state only that the documents ‘shall be made available’ to defendants ‘when requested,’ without specifying to whom the request should … Continue reading

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CO: Incorporation of SW affidavit saves warrant from lack of particularity

“[T]he warrant in this case authorized collection of location data and certain message content surrounding the crimes. While the warrant could have been more particular by limiting each category using the language ‘related to the crimes,’ the warrant’s incorporation of … Continue reading

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W.D.Pa.: Someone actually succeeds in a Franks challenge

Defendant succeeds in a Franks challenge: Defendant’s case arose because the officer swore that defendant matched a surveillance video of a robbery. He really believed it, but he was wrong because there were obvious reasons to discount his belief. The … Continue reading

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CO: Three-day delay between seizure of defendant’s car and getting SW for it was reasonable

Three-day delay between seizure of defendant’s car and getting a warrant to search was reasonable. People v. Mills, 2025 CO 47, 2025 Colo. LEXIS 572 (June 30, 2025). Defendant’s cell phone was linked to his prostitution/human trafficking case, so there … Continue reading

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ID: Flicking a cigarette butt to the ground in a bar parking lot was not RS

Flicking a cigarette butt to the ground in a bar parking lot was not reasonable suspicion for a stop. State v. Popp, 2025 Ida. LEXIS 69 (June 27, 2025). Idaho declines to impose higher standards for dog sniffs under state … Continue reading

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NY4: First search missed cache of drugs, so police came back for a second search; first search admissible at trial

Officers got a search warrant for defendant’s premises and searched. Two days later, they discovered through a source that they missed a cache of drugs in the house. They came back with another. The results of the first search were … Continue reading

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D.D.C.: Search of international letter in D.C. was valid as border search

Search of an international letter on arrival in D.C. was valid as a border search. United States v. Martin, 2025 U.S. Dist. LEXIS 123023 (D.D.C. June 27, 2025).* There was reasonable suspicion for the officer’s encounter with defendant who was … Continue reading

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