DNA evidence has revolutionized forensic science and has become a powerful tool in criminal investigations and courtroom proceedings. In this blog post, we will explore how DNA is used in the forensic science context and in the courtroom. DNA, or deoxyribonucleic acid, is a complex molecule found in every cell of the human body. Each […]

False Positives and Negatives: The Risks of Low Copy Number DNA Analysis
Touch DNA and low copy number (LCN) DNA are two types of forensic DNA evidence that have become increasingly important in recent years. In this blog post, we will explore what touch DNA and LCN DNA are, and how they are used in criminal investigations. Touch DNA refers to DNA that is left behind when […]

Amplifying the Evidence: The Power and Limitations of Whole Genome Amplification in DNA Science
Whole genome amplification (WGA) is a technique used in DNA science to amplify very small DNA samples. It allows forensic scientists to extract and amplify DNA from samples that are too small to be analyzed using traditional methods. In this blog post, we will explore what WGA is, its limitations, and how it is being […]

Balancing Privacy and Public Safety: The Role of 23andMe’s DNA Database in Criminal Investigations
In recent years, law enforcement agencies have increasingly turned to third-party DNA companies, such as 23andMe and AncestryDNA, to help identify perpetrators of crimes. Law enforcement agencies have increasingly turned to third-party DNA companies, such as 23andMe and AncestryDNA, to help identify perpetrators of crimes because of the potential for genetic genealogy to provide new […]

Contamination and Cross-Contamination: Understanding the Risks of DNA Evidence
There is a particular danger that attaches to DNA evidence. Thanks to the widespread viewing of fictional crime dramas, there is a built in prejudice that jurors have that DNA evidence means guilt. This is not so. It is not automatic. One way that DNA evidence can be falsely used in a case is due […]

How Fingerprint Identification Works in the Digital Age: A Comprehensive Guide
Fingerprint identification is a technique that has been used for many years to identify individuals. In the digital age, fingerprint identification has become a popular method of authentication for mobile devices and computers. In this blog post, we will explore how fingerprint identification works, especially in the digital age. Fingerprint identification is based on the […]