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Fourth Amendment Search Warrant

The Fourth Amendment to the United States Constitution protects citizens from unreasonable searches and seizures and provides that warrants may only be granted upon findings of probable cause. The Fourth... more +
The Fourth Amendment to the United States Constitution protects citizens from unreasonable searches and seizures and provides that warrants may only be granted upon findings of probable cause. The Fourth Amendment applies to the States via the Due Process Clause of the Fourteenth Amendment.  Important areas of Fourth Amendment jurisprudence flow from questions surrounding the definitions of "search" and "seizure," the applicability of the Amendment to so-called "stop and frisk" situations, the level of control that must be exerted by law enforcement before an individual is deemed "seized," and the "exclusionary rule," just to name a few.    less -
WilmerHale

The Impact and Future of the Fifth Circuit’s New Hard-Line Stance on Geofence Warrants

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On August 9, 2024, the Fifth Circuit issued its decision in United States v. Smith, No. 23-60321, broadly holding: “that the use of geofence warrants … is unconstitutional under the Fourth Amendment.” This categorical holding...more

Patterson Belknap Webb & Tyler LLP

How Close Are Your Neighbors? Shared Space May Create Privacy Interest, 2d Cir. Holds

In United States v. Lewis, the Second Circuit (Lohier, Carney, and Nathan) affirmed a gun-related conviction, but rejected the district court’s assertion that a bright-line rule bars the application of the Fourth Amendment to...more

Zuckerman Spaeder LLP

How many times can the same police department arrest you on a warrant that bears your name but is plainly not intended for you?

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What’s in a name? If it’s in a warrant and you’re in the Eleventh Circuit, enough to arrest and jail you for three days even if you don’t match the description of the wanted person, the warrant was issued 26 years earlier...more

Wiley Rein LLP

Maryland Court of Appeals Updates the ‘Particularity’ Standard for Cell Phone Searches as U.S. Courts Develop New Doctrines for...

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On August 29, 2022, the Maryland Court of Appeals issued its opinion in Richardson v. Maryland, expanding the protection of the Fourth Amendment for subjects of criminal investigations whose cell phones are subject to a...more

Law School Toolbox

Bar Exam Toolbox Podcast Episode 141: Listen and Learn -- The Fourth Amendment

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Welcome back to the Bar Exam Toolbox podcast! Today, in our "Listen and Learn" series, we're discussing when the Fourth Amendment to the United States Constitution applies, and how to determine if an unlawful search has...more

Poyner Spruill LLP

Torres v. Madrid (New Excessive Force Opinion from SCOTUS)

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In a 5-3 decision authored by Chief Justice Roberts, the U.S. Supreme Court ruled in Torres v. Madrid that a woman who was shot while fleeing from police officers was “seized,” even though she remained at large. ...more

Eversheds Sutherland (US) LLP

The First Circuit Court of Appeals confirms government’s expansive authority to search electronic devices

In a closely watched decision, the US Court of Appeals for the First Circuit confirmed the government’s expansive authority to search cell phones, laptops, and other electronic devices at the border. On February 9, 2021, the...more

Freeman Law

Bare Bitcoins — No Fourth Amendment Privacy in Virtual Currency Records

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Virtual currency has been around for a number of years now, and yet many still believe virtual currency transactions provide a level of anonymity and privacy not afforded by other types of monetary transactions. That simply...more

Patterson Belknap Webb & Tyler LLP

Second Circuit Reverses One Conviction for Lack of Venue, Affirms Others Despite Unlawful Warrant

In United States v. Purcell, the Second Circuit (Lynch, Pooler, and Park) considered the conviction of defendant Lavellous Purcell on five counts all arising out of his operation of a prostitution business. On appeal,...more

Society of Corporate Compliance and Ethics...

United States senator plans to introduce new privacy legislation

Report on Supply Chain Compliance 3, no. 16 (August 20, 2020) - Sen. Ron Wyden (D-Ore.), a coauthor of the Section 230 provision that shields internet companies from liability for content posted on their platforms,...more

Jones Day

No Search Warrant Required for Records of Bitcoin Transactions, the Fifth Circuit Holds

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The Situation: While investigating a website for criminal activities, federal agents traced Bitcoin transactions and issued a subpoena to a virtual-currency exchange to identify customers of the site. Using that information,...more

Polsinelli

Bitcoin Data Akin to Bank Records Under Fourth Amendment

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Faced with the novel question of whether an individual has a Fourth Amendment privacy interest in the records of their Bitcoin transactions, the Fifth Circuit found that Bitcoin data is akin to bank records and not subject to...more

Law School Toolbox

Bar Exam Toolbox Podcast Episode 70: Tackling a California Bar Exam Essay: Criminal Law and Procedure

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Welcome back to the Bar Exam Toolbox podcast! Today, we are walking through the February 2017 California bar exam question on criminal law and criminal procedure. This is part of our series of podcasts talking about how to...more

Best Best & Krieger LLP

Parking Enforcement Case May Reverberate Beyond 6th Circ.

Like many cities across the nation, the City of Saginaw, Michigan, has used tire chalking — the technique of marking a parked car’s tire with chalk to determine how long it has been stationary. When an officer returns to a...more

Patterson Belknap Webb & Tyler LLP

Circuit Holds That Internet Service Provider Was Not A Government Actor Under the Fourth Amendment

In United States v. DiTomasso, Defendant was convicted of producing child pornography and transporting and distributing child pornography in the Southern District of New York.  ...more

Franczek P.C.

Do I Smell a Problem? Considerations When Implementing Randomized Drug Dog Searches in Schools

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One of our favorite sources for Franczek email alerts is our readers, and we recently received a question from a Twitter follower about the legal considerations related to randomized dog searched in public schools. ...more

Best Best & Krieger LLP

“Chalking” Vehicles is a Search Under the Fourth Amendment, Sixth Circuit Finds - Court Did Not Address Whether Chalking Violates...

The City of Saginaw, Mich. uses the common technique of “chalking” — marking a parked car’s tire with chalk to track how long it is stationary. If an officer sees the chalk on the tire beyond the amount of time of the parking...more

Snell & Wilmer

What Does the New Utah Electronic Data Privacy Law Do?

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Utah recently became the first state to enact a law specifically designed to protect private electronic information stored with third parties from collection by law enforcement without a valid warrant. Utah Governor Gary...more

Womble Bond Dickinson

New Utah Privacy Law Expands Warrant Requirement for Individuals’ Data Held by Electronic Communications Service Providers

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On March 27, 2019, Utah Governor Gary Herbert signed HB 57, a bill designed to increase privacy protections by requiring law enforcement to obtain a search warrant before being able to access a person’s data held by...more

Foley Hoag LLP - Security, Privacy and the...

Can Law Enforcement Force You To Use Your Finger to Unlock Your Phone?

Can a fingerprint alone provide “testimony” about a person? Earlier this month, a federal court in California said yes. But the court was not engaging in a highly-localized form of palm-reading; rather, the question arose in...more

Dorsey & Whitney LLP

The Supreme Court - January 14, 2019

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On Friday, January 11, 2019, the Supreme Court of the United States granted certiorari in the following eight cases: Fort Bend County v. Davis, No. 18-525: Whether Title VII’s administrative exhaustion requirement, 42...more

Fisher Phillips

“What’s That Buzzing Overhead?” Don’t Get Stung By An OSHA Safety Inspection Drone

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When the Occupational Safety and Health Administration (OSHA) issued a memorandum in 2018 announcing that agency inspectors are now authorized to use camera-carrying Unmanned Aircraft Systems—or drones—to collect evidence...more

Ogletree, Deakins, Nash, Smoak & Stewart,...

Dig This! OSHA Renews Its Focus on Trenching and Excavation

The Occupational Safety and Health Administration (OSHA) officially kicked off its National Emphasis Program (NEP) on Trenching and Excavation on October 1, 2018. With the NEP comes enhanced enforcement, education, and a new...more

Fisher Phillips

Email Privacy Act Headed For U.S. Senate Consideration

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On July 13, 2018, over 50 civil liberties groups, technology companies, and associations submitted a joint letter to Congress in support of the Email Privacy Act (EPA), which was recently included in the House-passed version...more

Patterson Belknap Webb & Tyler LLP

Second Circuit’s Lambus Decision Analyzes the Admissibility of Wiretap and GPS Evidence

On July 25, 2018, in United States v. Lambus, No. 16-4296 (Kearse, Livingston, Jeffrey Meyer, D.J.), the Second Circuit issued a lengthy decision analyzing two questions related to the suppression of GPS data from an ankle...more

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