Forensic DNA Transfer

Forensic DNA Transfer provides a guide to the recognition and understanding of DNA transfer in forensic criminal investigations, including the potential issues associated with non-visible deposits of DNA. It discusses the various transfer pathways and sources of DNA, as well as the importance of contamination mitigation throughout the process. Additionally, it examines the changing understanding of the composition of purported touch DNA deposits from the skin and the newer focus on interpreting DNA evidence.

Format: Hardback
Length: 278 pages
Publication date: 10 October 2023
Publisher: Taylor & Francis Ltd

Forensic DNA Transfer is a comprehensive guide to recognizing and understanding DNA transfer in forensic criminal investigations. With the advancements in technology, it has become increasingly possible to obtain DNA profiles from non-visible deposits, adding a new dimension to these investigations. However, the timing and manner of DNA deposition at a crime scene can be crucial, particularly when the donor of the DNA is not in dispute. A DNA profile alone cannot provide definitive answers to these questions, as it cannot reveal when or how the DNA was deposited.

Issues related to DNA transfer associated with various activities, such as handling, examination, and testing, become more complex. Traditional discrimination purposes of DNA profiling may not address these debates effectively. DNA can be found in various environments, including homes, workplaces, transportation, and personal items like clothing. It may be present on objects that a person has never contacted or in rooms they have never entered. The book delves into concepts such as non-self DNA on hands through day-to-day activities, the prevalence of background DNA in the environment, the persistence of DNA transferred, and the impact of recovery techniques on DNA results.

Since DNA can be transferred to an exhibit during the commission of a crime, before the crime, or after the crime through handling, examination, and testing, this book covers various transfer pathways and sources of DNA. It discusses documented cases of inadvertent transfer of DNA resulting in wrongful convictions or the misdirection of criminal investigations, with a strong emphasis on contamination mitigation throughout the entire process.

The additional complexity resulting from non-visible deposits of DNA adds another layer of intricacy to forensic investigations. Forensic DNA Transfer provides a comprehensive understanding of these challenges and offers valuable insights into the field. It is a valuable resource for law enforcement professionals, forensic scientists, and legal experts seeking to enhance their knowledge and skills in dealing with DNA evidence in criminal investigations.

Weight: 710g
Dimension: 234 x 156 (mm)
ISBN-13: 9780367742065