ULTR (Uniform Language for Testimony and Reports)
Definition
US Department of Justice standards restricting the language fingerprint examiners may use in court testimony and reports, prohibiting certainty claims not supported by population-level error-rate data. Finalised in 2021.
Related terms
- 3D Fingerprint Capture
- Technology that creates a three-dimensional surface map of fingerprint ridge detail, typically using structured-light projection or photogrammetry, rather than a flat 2D...
- ACE-V
- Analysis, Comparison, Evaluation, Verification: the four-stage method for latent print examination used by accredited forensic fingerprint laboratories. Analysis examines the latent in...
- Amino Acid Racemisation
- The conversion of biologically produced L-amino acids to D-amino acids over time at a temperature-dependent rate. The D/L ratio of aspartic acid...
- Blind Verification
- The procedure in which a second fingerprint examiner independently performs the Analysis and Comparison stages without knowledge of the first examiner's conclusion....
- MALDI-MSI
- Matrix-assisted laser desorption ionisation mass spectrometry imaging; a technique that maps the spatial distribution of chemical compounds across a fingerprint surface without...
- Micro-Computed Tomography (Micro-CT)
- High-resolution X-ray tomography producing volumetric 3D images. Used experimentally to recover latent fingerprints from curved laboratory exhibits without destructive development.
- NIST Latent Quality Metric
- A convolutional neural network-based quality scoring tool developed by NIST that assigns a quality score to latent fingerprint images in ANSI/NIST ITL...
- Squalene
- A polyunsaturated hydrocarbon abundant in sebaceous fingerprint secretions that oxidises over time; the ratio of squalene to its oxidation products is a...
- Structured-Light Projection
- A 3D imaging method in which a known grid pattern of light is projected onto a surface; the distortion of the pattern...
Explained in
- Emerging Fingerprint Methods: 3D Capture, Age Estimation, MLUS Department of Justice standards restricting the language fingerprint examiners may use in court testimony and reports, prohibiting certainty claims not supp...