Tag: forensic DNA

DNA Quant Kits: Choosing the Right Sensitivity and Handling Inhibition

By : Ian Brophy
Date : Apr 9 2026

Learn how to choose DNA quantification kits based on sensitivity (pg vs fg) and how to detect and overcome PCR inhibition in forensic samples.

Cold Case Latents: How Modern Forensics Revives Legacy Evidence

By : Ian Brophy
Date : Apr 4 2026

Discover how modern fingerprint analysis, AFIS, and genetic genealogy are solving decades-old cold cases by reprocessing legacy evidence with 2026 technology.

Forensic DNA Harmonization: Ensuring Inter-Lab Standardization in Modern Justice

By : Ian Brophy
Date : Mar 29 2026

Explore how forensic DNA harmonization ensures consistent results across laboratories. Learn about the evolution of FBI QAS, OSAC standards, and the critical role of mixture interpretation.

SNP Panels for Forensic Phenotyping and Ancestry: How DNA Markers Help Solve Cold Cases

By : Ian Brophy
Date : Mar 23 2026

SNP panels are transforming forensic investigations by predicting physical traits and ancestry from degraded DNA. Used alongside traditional STR testing, they help solve cold cases by finding distant relatives through genetic genealogy.

Y-STR Databases: How Population Data and Statistical Weight Shape Forensic DNA Analysis

By : Ian Brophy
Date : Mar 12 2026

Y-STR databases use population data to calculate how rare a male DNA profile is. With over 349,000 global records and population-specific stats, they help forensic labs determine match probabilities in criminal cases.

Direct PCR Methods: Streamlining Forensic DNA Processing

By : Ian Brophy
Date : Mar 1 2026

Direct PCR methods eliminate DNA extraction steps, enabling faster, more efficient forensic DNA profiling - especially for trace evidence. Research shows it outperforms traditional methods on surfaces like metal, plastic, and wood, but regulatory barriers still limit its use.

How DNA Evidence Is Collected at Crime Scenes

By : Ian Brophy
Date : Feb 11 2026

DNA evidence collection at crime scenes follows strict forensic protocols to prevent contamination and ensure accurate identification. From swabbing surfaces to packaging in paper envelopes, every step matters in solving crimes.