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Fourth Amendment

Riverdale Mills Corp. v. Pimpare

The Fourth Circuit held that U.S. Environmental Protection Agency inspectors who took wastewater samples at a mill are entitled to qualified immunity. The owner of the mill had no reasonable expectation of privacy in the wastewater...

Hart v. Myers

The court holds that although conservation officers conducted a search and seizure without a warrant and within the curtilage of individuals' home, the officers enjoyed qualified immunity. The individuals own an undeveloped tract of 50...

Mollica v. Volker

The court holds that a state environmental conservation officer who was sued for allegedly violating the Fourth Amendment after he stopped a hunter at a motor vehicle checkpoint during hunting season to make deer tag and weapon safety...

United States v. Potter

The court holds that government agents did not violate the Fourth Amendment when they searched a trailer rented by an asbestos removal contractor who arranged for the disposal of asbestos from three elementary schools. The court first...

United States v. Boynes

The court holds that evidence of an oil spill obtained by the U.S. Coast Guard in a warrantless search conducted in the British Virgin Islands of a ferry owned by a U.S. citizen is admissible. The court first holds that the Coast Guard...

United States v. Varlack Ventures, Inc.

The court holds that evidence of an oil spill obtained by the U.S. Coast Guard in a warrantless search of a ferry in U.S. territorial waters is admissible. The court first holds that there is no need to decide whether the ferry's...

Manning v. United States

The court upholds an injunction requiring an ore processing plant owner to provide the U.S. Forest Service with access to the area surrounding his mill and precluding further operations until the Forest Service approves a new operating...

Berger v. Hanlon

The court holds that a U.S. Fish and Wildlife Service warrant and subsequent search violated homeowners' Fourth Amendment constitutional rights against unreasonable searches and seizures when two cable television networks accompanied...

Carson Harbor Village, Ltd. v. Unocal Corp.

The court dismisses a property owner's Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), Resource Conservation and Recovery Act (RCRA), Federal Water Pollution Control Act (FWPCA), and state common-law...

United States v. Rapanos

The court holds that under the open fields doctrine, state natural resource officials may enter a landowner's property to conduct a warrantless inspection of wetlands on the property without violating the landowner's Fourth Amendment...