Friday, July 17, 2020

How to Find Bloodstains

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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...

Why Some People Don’t Develop Fingerprints

In 2007, a Swiss woman in her late 20s had an unusually hard time crossing the U.S. border. Customs agents could not confirm her...

Fingerprints and Other Ridge Skin Impressions

The field of fingerprinting for personal identification and criminal investigation is progressing at a rapid rate. Numerous research projects are devoted to fingerprint detection...

Belle Gunness, queen of black widows, murdered dozens and planted victims around farm

After the corpses of three children and a headless woman were found burned in a 1908 fire at Gunness' farmhouse near La Porte, Indiana,...
Michael Whyte
Crime Scene Officer and Fingerprint Expert with over 7 years experience in Crime Scene Investigation and Latent Print Analysis. The opinions or assertions contained on this site are the private views of the author and are not to be construed as those of any professional organisation or policing body.
- Forensic Podcast -

The Smithsonian Channel series: Catching Killers have created an informative video to show when criminals clean up after a violent crime, bloodstain pattern analysts use luminol, one of the most valuable assets in the analyst toolkit, to uncover traces of invisible blood.

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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....