Friday, August 14, 2020

Video: Blood Spatter 101

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Drugs found in fingerprints using mass spectrometry

Tiny trace amounts of cocaine, methamphetamine, and heroin can be found on fingerprints using mass spectrometry, according to a new study. The advanced technique can...

DNA Evidence: Measuring up to the Frye Standard of Acceptance

DNA-based evidence has a long history of admissibility in legal proceedings stretching back to 1985 when Sir Alec Jeffreys first used DNA testing to...

Human skull found by dog belongs to Top 15 fugitive

After a dog brought a human skull home to its Southeast Austin owner on a mid-September morning, authorities have now identified the remains as...

DNA review finds killer of two women in 1980s

With the help of advanced DNA testing, law enforcement officials have solved the 1983 murder of a young woman in Massachusetts and the 1987...
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 how today, bloodstain pattern analysis is routinely used in murder investigations – analysts draw on chemistry, mathematics and physics to determine the area of origin where an injury occurred.

 

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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....