Thursday, August 13, 2020

CATEGORY

Crime Scene Research

Detection of latent fingerprint hidden beneath adhesive tape by optical coherence tomography

Adhesive tape is a common item which can be encountered in criminal cases involving rape, murder, kidnapping and explosives. It is often the case...

An improved process for the collection and DNA analysis of fired cartridge cases

Improvements to the DNA analysis of fired cartridge cases have been made in recent years, yet successful analysis of this important evidence type remains...

Touch DNA: The effect of the deposition pressure on the quality of latent fingermarks and STR profiles

Latent fingerprints present unique, and sometimes the only, evidence found at a crime scene. Several factors affect their quality, including deposition pressure....

Assessing the reliability of a clothing-based forensic identification

According to the testimony of FBI forensic analysts, the patterns seen on denim are reliably unique and can be used to identify a suspect in surveillance footage. A paper published this week puts denim-pattern analysis through its paces, finding that it isn’t particularly good at matching up identical pairs of jeans—and may create a number of “false alarm” errors to boot.

Time of death written in your genes — and it could help forensic investigators

When our heart stops beating, our body tissues don't instantly up and die too. The genetic machinery inside some cells can keep whirring away...

How Good a Match is It? Putting Statistics into Forensic Firearms Identification

On February 14, 1929, gunmen working for Al Capone disguised themselves as police officers, entered the warehouse of a competing gang, and shot seven...

FBI Validates STRmix™ for Use on Up to Five-Person Mixtures

The Federal Bureau of Investigation (FBI) has published its validation of STRmix™ for use on mixtures of up to five persons, as well as...

Spatter from blood-soaked sponges could aid gun forensics

Whodunnit? Forensic investigators could soon be able to deduce in much greater detail how specific blood spatter stains were caused at a crime scene. Detectives...

Human remains decompose in B.C. waters in less than four days

Human remains lost in deep waters off the B.C. coast decompose at a much faster rate than previously thought, suggests a new Simon Fraser...

New technology identifies the ‘fingerprint’ of a bullet

In a global game changer for gun crime, Flinders University forensic scientists have for the first time matched gunshot residue with specific brands of...

Latest news

Using the NCIC Bayesian Network to improve your AFIS searches

This National Crime Information Centre (NCIC) Bayesian network is based on the statistical data of general patterns of fingerprints on the hands...

DNA decontamination of fingerprint brushes

Using fingerprint brushes across multiple crime scenes yields a high risk of DNA cross-contamination. Thankfully an Australian study has discovered a quick and easy way to safely decontaminate fingerprint brushes to prevent this contamination risk and allows the brushes to be safely reused even after multiple cleaning cycles.

Detection of latent fingerprint hidden beneath adhesive tape by optical coherence tomography

Adhesive tape is a common item which can be encountered in criminal cases involving rape, murder, kidnapping and explosives. It is often the case...

Presenting Fingerprint Comparisons in Court using Forensic Comparison Software

This video gives the fingerprint technician some ideas on how to present a Fingerprint Comparison result to the court that looks professional. To accomplish this...

New modified fingerprint chemical that fluoresces touch DNA on clothing

In sexual assault and burglary investigations, the recovery of DNA from items that have been handled by the suspect is very important....
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