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The Old Portable Breath Test Ain’t What She Used to Be

Portable breath tests don’t go very far anymore in proving whether a suspect is impaired from alcohol.  That’s because the legislature amended G.S. 20-16.3(d) in 2006 to provide that the alcohol concentration results from such a test, termed an alcohol screening test by statute, are not admissible in court— not even for purposes of determining … Read more

Evidence and Arguments about Prison Life in Capital Cases

During the second phase of a capital trial, the jury must decide whether to sentence the defendant to death or to life in prison. The jury’s perception of prison life may influence that decision. If the jury believes that prison life is comfortable, it may be more inclined to impose a death sentence, while if … Read more

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State v. Borders: Clever Police Work or Disturbing Trickery?

Detectives investigating the rape and murder of an elderly woman in Shelby didn’t give up when suspect Donald Borders first refused to provide a sample of his DNA.  They asked again.  And again.  And again.  When Borders refused to relent after four visits to his home, investigators tried a different tack. They searched the county’s … Read more

Asserting the Fifth Amendment in Court and the Granting of Immunity to a Witness

The first ten amendments to the U.S. Constitution are commonly known as the Bill of Rights and were ratified on December 15, 1791. It is remarkable how many of these amendments are still resilient today throughout the United States. Their individual freedoms against government interference include: the freedom of speech and religion and the right … Read more

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Daubert and Expert Testimony of Impairment

With the amendment of Rule 702 of the North Carolina Rules of Evidence in 2011, North Carolina became a Daubert state. That change means that trial judges in this state, like their federal counterparts, serve as gatekeepers when faced with a proffer of expert testimony. See Daubert v. Merrell Dow Pharmaceuticals, 509 U.S. 579 (1993) … Read more

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With Cert Denials, Hope Fades for Clarification on Use of Substitute Analysts

Mumford & Sons has a song called Hopeless Wanderer. When it comes to substitute analysts and the confrontation clause, that song title sums me up, and maybe you as well. Anyone who practices criminal law knows that Confrontation Clause issues have been a big deal ever since the United States Supreme Court handed down its … Read more

Authentication and GPS Tracking

I’ve had more and more questions about introducing GPS tracking data in criminal trials. When I think about digital evidence, I think about authentication as the first hurdle. This post summarizes the law regarding the authentication of GPS data. GPS data may come into criminal cases in several ways: because law enforcement placed a tracking … Read more

Authenticating Photographs Taken from Social Media Sites

Suppose that the defendant is charged with a gang-related murder. The State seeks to establish that the defendant is a gang member by introducing a photograph that a detective found on the defendant’s Facebook page. The photograph shows the defendant flashing gang signs. The defendant argues that the picture can’t be authenticated, because digital photographs … Read more