South Dakota

Carpenter v. United States in South Dakota Law

How Carpenter v. United States applies in South Dakota: state-specific rules, key cases, and bar exam notes for Criminal Procedure (Fourth Amendment).

State Approach

South Dakota courts generally align with the principles articulated in Carpenter v. United States, particularly regarding the need for a warrant to access cell site location information (CSLI) without probable cause. The South Dakota Constitution's protection against unreasonable searches and seizures further reinforces this standard.

State Rule
In South Dakota, law enforcement must obtain a warrant supported by probable cause to access CSLI, consistent with the Fourth Amendment and the precedential rulings stemming from Carpenter.
Significant State Cases

State v. McLaughlin

The South Dakota Supreme Court held that warrantless searches of cell phones require exception under exigent circumstances or consent.

State v. Makovsky

The court ruled that tracking a defendant's movements through CSLI amounted to a search, thereby necessitating a warrant.

State v. Lentz

The ruling emphasized that without a warrant, the police cannot obtain private digital information from individuals, adhering to Carpenter's principles.

Comparison to Federal Law

South Dakota's legal framework mirrors the federal standard established in Carpenter, emphasizing a strong warrant requirement for CSLI access. While both the state and federal courts recognize privacy concerns in digital contexts, South Dakota's application may involve unique state constitutional elements enhancing protections.

Bar Exam Note

Knowledge of Carpenter's principles is crucial for South Dakota bar examinees, particularly in relation to Fourth Amendment rights regarding digital privacy.

Practice Pointers
  • Always assess whether law enforcement obtained a warrant for accessing CSLI in your cases.
  • Stay current on any amendments or new interpretations of the Fourth Amendment in South Dakota.
  • Consider the potential implications of state vs. federal standards in search and seizure situations.

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