Texas
How Carpenter v. United States applies in Texas: state-specific rules, key cases, and bar exam notes for Fourth Amendment.
Texas courts generally follow the principles established in Carpenter v. United States, particularly regarding the expectation of privacy in mobile phone location data. Texas law also upholds the idea that individuals have a reasonable expectation of privacy in their location information similar to federal protections.
In Texas, under the Fourth Amendment, law enforcement must obtain a warrant to access cell phone location data, emphasizing the need for probable cause.
The Texas Court of Criminal Appeals held that warrantless tracking of a vehicle via GPS constituted a violation of the Fourth Amendment protections against unreasonable searches.
The court ruled that obtaining cell site location information without consent or a warrant violated the defendant’s privacy rights.
The court affirmed that the use of electronic tracking devices without a warrant must be justified by probable cause, aligning with the Carpenter decision.
Texas law closely mirrors federal standards set forth in Carpenter regarding privacy expectations in digital data. Both require warrants for accessing such information, but Texas courts may provide additional protections under state law.
The implications of Carpenter v. United States are routinely tested in Texas bar exams, particularly in issues of Fourth Amendment rights and privacy in the digital age.