Expert Stuart James’s treatise on blood spatter said that suspected bloodstains should be subject to presumptive, confirmatory, and DNA testing before analysis of the spatter is conducted. The court held that blood spatter expert’s conclusions regarding untested stains on clothing did not result from reliable application of scientific methods and evidentiary errors were prejudicial.
Cases
State v. Hewitt, 836 S.E.2d 786 (2019)(unpub)
The court held that it was not plain error for the analyst to testify to the identity of a controlled substance without explaining what type of chemical analysis she performed. She testified she performed a color test and an instrumental analysis.
State v. Phillips, 268 N.C. App. 623 (2019)
New trial ordered where State Crime Lab forensic scientist was required to testify about DNA sample despite her insistence that the testimony was not scientifically valid. Court of Appeals found that the testimony was expert opinion testimony and did not satisfy prongs 1 or 2 of Rule 702 where the expert was asked to testify …
United States v. Gissantaner, 417 F. Supp. 3d 857 (W. D. Mich. 2019)
Successful Daubert challenge to the admissibility of STRMix genotyping software due to the complexity of the DNA mixture in the case at hand. Defendant’s Daubert motion and the ruling are linked in this article.
United States v. Gissantaner, 417 F. Supp. 3d 857 (W. D. Mich. 2019)Read More
Sufficiency vs. Admissibility: Drug I.D. after State v. Osborne
In August, the North Carolina Supreme Court weighed in on drug identification once again in State v. Osborne, ___ N.C. ___ (August 16, 2019). Defender Educator Phil Dixon discusses admissibility and sufficiency of evidence in drug cases in this blog post.
Sufficiency vs. Admissibility: Drug I.D. after State v. OsborneRead More
State v. Denton, COA18-742 (2019)
Felony death by vehicle case where the trooper accident reconstruction expert who analyzed the accident could not reach a conclusive expert opinion about who was driving. An officer provided lay opinion testimony based on the same information. The court concluded: “the facts about the accident and measurements available were simply not sufficient to support an …
State v. Irick, 291 N.C. 480, 491-492 (1977)
In cases where fingerprint evidence is the only evidence connecting the defendant to the crime, attorneys should consider the Irick rule. State v. Irick, 291 N.C. 480, 491-492 (1977) holds that “[f]ingerprint evidence, standing alone, is sufficient to withstand a motion for nonsuit only if there is ‘substantial evidence of circumstances from which the jury can …
State v. Rogers, 355 N.C. 420, 432 (2002)
The test in North Carolina for identification procedures prior to the enactment of the EIRA was stated in State v. Rogers, 355 N.C. 420, 432 (2002) as follows: Whether an identification procedure is unduly suggestive depends on the totality of the circumstances. State v. Pigott, 320 N.C. 96, 99 (1987). A due process analysis requires a …
State v. Cotton
Ronald Cotton was wrongfully convicted of two rapes and burglaries in 1985 and 1987. Although innocent, Ronald Cotton served over 10 years in prison, primarily due to erroneous eyewitness identification. DNA testing in 1995 revealed that evidence from one victim did not match Cotton, but instead matched with another man who had confessed to the …
Cases Where DNA Revealed that Bite Mark Analysis Led to Wrongful Arrests and Convictions
Article by the Innocence Project identifying concerns with bite mark analysis and discussing five cases where individuals were convicted based largely on bite mark analysis, only to be proven innocent through DNA years later.
Cases Where DNA Revealed that Bite Mark Analysis Led to Wrongful Arrests and ConvictionsRead More
Weighing Marijuana Reference
This document provides the relevant statutes and summarizes the case law on the issue of how marijuana should be weighed. It addresses issues such as whether water weight and mature stalks should be included. Links to the State Crime Lab’s relevant procedures are provided, as well as contact information of experts who are available to …
United States v. Hebshie
754 F.Supp. 2d 89 (2010). This opinion by Judge Nancy Gertner is a must-read regarding standards of representation in arson cases. The opinion provides useful information on Daubert hearings, cause and origin testimony, burn patterns, canine evidence and laboratory analysis.
State v. McPhaul, 256 N.C. App. 303 (2017)
The Court of Appeals applied the new Daubert test for expert testimony and held that trial court abused its discretion by allowing the State’s expert witness’s testimony about fingerprint evidence. A petition for discretionary review was granted by the NC Supreme Court which subsequently found that discretionary review was improvidently granted, leaving intact the Court …
State v. Babich, 252 N.C. App. 165 (2017)
In this DWI case, the trial court erred by admitting retrograde extrapolation testimony by the State’s expert witness. To reach her conclusion, the expert assumed that the defendant was in a post-absorptive state at the time of the stop. The expert conceded that there were no facts to support this assumption. The expert’s testimony was …
State v. Daughtridge, 248 N.C. App. 707 (2016)
Trial court erred in allowing a forensic pathologist’s opinion that the decedent’s death was a homicide as opposed to a suicide that was based on his interpretation of non-medical information conveyed to him by law enforcement officers. The State failed to adequately explain how the expert was in a better position than the jurors to …