This is true across the range of Fourth Amendment doctrines, including the "reasonable expectation of privacy" test, consent, abandonment, third-party consent, and the private search doctrine.

The Fourth Amendment provides rights against the government, and agreements between private parties and the government can relinquish Fourth Amendment rights.

Braggs, — F.4th —, 2021 WL 2931403 (2d Cir. July 13, 2021), the U.S. Court of Appeals for the Second Circuit clarified the applicable standards governing the Fourth Amendment rights of parolees.

University of Pennsylvania Carey Law School Dean Sophia Lee's article notes the evolution of Fourth Amendment rights to privacy over time.

In two centuries filled with litigation over the 4th Amendment’s meaning, this court has never before adopted the majority’s definition of a 'seizure.' ...

An Oregon man who dropped his cellphone after being shot five times didn’t waive his right to mount a Fourth Amendment challenge over its search and seizure, the Ninth Circuit said.

Yellen, 112 F.4th 386 (6th Cir. 2024), decided several weeks earlier in August, two circuits wrestled with Fourth and Fifth Amendment challenges to government efforts to obtain individuals ...

Saginaw and Bay City News Appeals court clarifies 4th Amendment ruling in tire-chalking lawsuit Updated: May. 02, 2019, 5:25 p.m. | Published: May. 02, 2019, 2:48 p.m.

TERRY V. OHIO was a landmark decision in the Supreme Court of the United States in which the Court ruled that under the Fourth Amendment of the United States Constitution, a police officer may stop a ...