If you're facing criminal charges in Maryland, understanding secondary DNA transfer could be crucial for your defense. This phenomenon occurs when DNA appears at a crime scene from someone who wasn't physically present. It's changing how courts look at DNA evidence...
Forensics
Challenging witness testimony with DNA evidence
We often see a scenario in movies and TV shows where someone's freedom hinges on a witness's words. But it is not just fiction. Real life has shown us that human memory can be shaky, especially under stress. This can lead to mistakes and, in some cases, wrongful...
What Makes DNA Evidence Effective In Criminal Defense
DNA evidence has become crucial in modern criminal investigations and court proceedings. Yet, its strength hangs on a web of factors that wield immense influence over its trustworthiness and impact. Understanding these factors is essential to grasp how DNA evidence...
Could an identical twin introduce doubt of DNA evidence?
DNA is a like a fingerprint. It is very unique. For this reason, it often becomes the center of criminal cases and serves as rock-solid evidence for prosecutors. However, DNA is not without its flaws. One particular issue is that most people have distinct DNA that...
What do you do about the cons of DNA fingerprinting?
Recently, the police involved you in a criminal investigation, saying they found your DNA at the crime scene. You may have a loose understanding of DNA fingerprinting, which law enforcement uses to identify individuals using strands of DNA, but do you know its...
How reliable is DNA evidence?
When it comes to criminal cases, courts consider DNA evidence as a reliable indication of a person's guilt or innocence. A technician will collect DNA samples at the scene of the crime, take them to a lab, and test them to look for a potential match. When there is a...
Understanding post-conviction DNA testing laws
While DNA testing is a major component in many criminal trials in Maryland and across the United States, it has not always been a part of the evidence process. Some defendants did not have access to DNA evidence gathered during the case, which could potentially lead...
Study uncovers errors over crime scene blood evidence
The most rigorous study ever done on a widely-used forensic technique – bloodstain pattern analysis (BPA) – reveals disturbing error rates and disagreements among certified analysts. The study, published in the August edition of Forensic Science International,...
What is “trace DNA”?
DNA plays a huge role in the modern court system when determining guilt or innocence. It also may be used in appeals or when cracking “cold cases” that investigators could not solve in the past. Experts sometimes refer to “trace” DNA as “touch” DNA. According to...
What are the requirements of pre-conviction DNA collection?
DNA evidence plays a significant role in the criminal justice system. In some cases, it can convict a person of a crime. In others, it establishes the innocence of a person who has spent years of their life in prison. Because it is a deciding factor in so many...