Browsing: Forensic DNA Evidence

70th anniversary of DNA double helix breakthrough.

9 years after a young woman was sexually assaulted at knifepoint at a commuter rail station in Acton, an investigative breakthrough has resulted in the identification and arrest of Christopher Aldrich, 28, of Lunenberg.

The oldest known DNA revealed that Greenland was a lush landscape of trees and vegetation with an array of animals, even the now-extinct mastodon.

Scientists at a Wisconsin headquartered in Dane County have developed new technology that has the potential to change DNA analysis across the globe. It’s the Spectrum CE System from Promega. 

A new mathematical analysis could crack cases of unidentified persons and their relatives 10 times faster.

So what is DNA profiling and how does it work – and why does it sometimes not work?

Forensic Science professor and Director of Eastern Kentucky University (EKU) in Richmond, Kentucky, claims he is working on a device that will allow authorities to quicken the turnaround time for DNA Analysis.

A drop of blood subjected to modern DNA testing enabled Vermont State Police detectives to arrest the culprit in the 1989 murder of a Danby couple found stabbed to death in their home

Skin cells and their DNA varies between individuals, but new data shows that some groups of people have higher variability in their cell deposits. The South Australian forensic science researchers are building a suite of new insights into crime scene investigation — including the difference between high, intermediate and low skin ‘shedders’ that will help understanding of trace or ‘touch DNA’. The latest research, ‘DNA deposited in whole thumbprints’ (just published in Forensic Science International: Genetics), further studies inter-variation of DNA shedding obtained from experiments on samples gathered from 10 different people and 30 of their thumbprints.“The first challenge at…