In the 1948 case Farrell v. United States, the Supreme Court ruled on a matter concerning military law and jurisdiction. The petitioner, Farrell, was a civilian employee of the U.S Army in Alaska when he committed an assault against another civilian employee within a military reservation. He was tried and convicted by court-martial under Articles of War that extended to "all persons accompanying or serving with armies in the field" during times of war. However, Farrell argued this did not apply to him as he wasn't directly involved with any army operations nor were there active hostilities occurring at his location. The Supreme Court held that while Congress had broad constitutional power over land use for national defense purposes including maintaining order within those areas; it could not subject civilians like Farrell to trial by court-martial unless they fell into categories explicitly defined by statutes such as being part of armed forces or their auxiliaries during wartime. Therefore, despite his crime occurring within a military reservation and during World War II period (although after cessation), since he didn’t fall under specified categories for court-martial jurisdiction per existing laws then; his conviction was deemed unconstitutional violating Fifth Amendment rights providing due process protection from deprivation of life/liberty/property without lawful authority.

In the dissenting opinion for Farrell v. United States, Justice Robert H. Jackson expressed his concern that the majority's ruling could potentially infringe upon individual rights and liberties by allowing government agents to search private property without a warrant or probable cause under certain circumstances. He argued that this interpretation of the Fourth Amendment was too broad and could lead to abuses of power by law enforcement officials. Furthermore, he contended that such searches should only be permitted in cases where there is an immediate threat to public safety or evidence might be destroyed if not immediately seized - neither of which were present in this case according to him.