Criminal Law

United States v. McMurray — Study Notes

United States v. McMurray, No. XX-XXXX (U.S. Ct. App. 2023)

Study notes for United States v. McMurray: professor notes, cold call prep, exam angles, and memory aids.

Warrantless installation and use of a GPS tracking device constitutes an illegal search under the Fourth Amendment.
Professor Notes

In United States v. McMurray, the court emphasized the importance of the Fourth Amendment in maintaining the balance between individual privacy rights and law enforcement needs. The warrantless installation of the GPS device on McMurray's vehicle was not only a violation of established protocols but also a significant infringement of his constitutional rights. The court’s decision reinforces the precedent that surveillance technology requires judicial oversight to prevent governmental overreach.

Professors might also focus on the implications of this decision on future law enforcement practices. This case highlights the necessity for law enforcement officers to adhere to legal standards when deploying technology for surveillance to ensure that evidence collected is admissible. The ruling serves as a cautionary tale for agencies regarding the legal framework surrounding privacy and technology in the age of digital surveillance.

Cold Call Prep
  1. 1Explain why the court found the warrantless installation of the GPS device unconstitutional.
  2. 2Discuss the relevance of established protocol in relation to Fourth Amendment protections.
  3. 3What implications does the case have for law enforcement's use of technology in surveillance?
  4. 4How does this case compare to other cases involving privacy and technology?
  5. 5Identify key precedents that influenced the court's decision in McMurray.
Mnemonic Device

GPS = Government Precedes Surveillance.

Distinguish From
CaseDistinction
United States v. JonesIn Jones, the Supreme Court also dealt with GPS tracking but specifically ruled on whether the physical installation on a vehicle constituted a search, while McMurray focuses on the lack of a warrant for that installation.
Kyllo v. United StatesKyllo addressed the use of thermal imaging to detect heat patterns in a home, focusing on the expectation of privacy in personal spaces, while McMurray centers on vehicle surveillance without a warrant.
Policy Arguments

For the Rule

Allowing warrantless GPS surveillance could lead to a slippery slope of constant government tracking of citizens, eroding personal privacy rights.

Against the Rule

In urgent situations where immediate tracking is needed to prevent crime or gather evidence, warrantless GPS use may be justified to protect public safety.

Class Discussion Points
  • Discuss how modern technology impacts the interpretations of the Fourth Amendment.
  • Analyze the balance between individual privacy rights and law enforcement duties in the digital age.
  • What standards should law enforcement follow when using emerging technologies to ensure constitutional compliance?
Exam Angle

Students should expect to analyze the Fourth Amendment implications of warrantless surveillance and discuss how this case affects the future use of tracking technologies in law enforcement.

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