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Bite mark analysis – A valid science?

In recent years, scientific research into bite mark analysis has highlighted its unreliability. An important assumption underlying this analysis is that the human dentition, particularly the anterior teeth involved in …

Understanding dental anatomy and bite marks

Prior to exploring the scientific foundations of bite mark analysis, it is important to understand the basics of dental anatomy and the nature of bite mark injuries on the skin. …

Introduction to forensic odontology

What is forensic odontology? How can forensic odontology assist the legal system? How are bite marks created? In this video, we explore these introductory questions with Dr Pratik Tarvadi. Have …

Welcome to the course

Trigger Warning: Please note that the course deals with issues arising in investigation and trial of serious crimes such as murder and sexual offences. Viewers may find the topics covered, …

Glossary for forensic pathology

Post mortem reports often contain terms which are unfamiliar to legal professionals. Here are some of the most commonly used terms you will find in autopsy reports: Anatomical positions Anterior …

Issues with forensic DNA profiling in India

In this video, Dr Sahajpal and Devina Sikdar from Project 39A begin by discussing the issues with forensic DNA profiling in India. These include concerns regarding evidence handling, quality management, …

Contamination in DNA profiling

In this video, Dr Sahajpal and Dr Turbett deal with the issue of contamination and its impact on forensic DNA profiling. It is essential for legal professionals to understand the …

DNA Transfer

Every touch of an individual leaves a trace amount of DNA. An individual’s DNA can be found on objects they have never touched, purely through secondary transfer. Yet, transferred DNA …

Cognitive bias in DNA analysis

DNA mixture interpretation is subjective in nature and like most human beings, DNA examiners are prone to cognitive bias. Cognitive bias happens when scientists unknowingly get affected by certain information …

DNA mixtures

In case of a DNA mixture, there are two or more contributors to the DNA profile. The deconvolution process or the process by which the DNA examiner interprets the possible …

Statistical analysis

Are DNA profiles unique? What are likelihood ratios and why are they relevant in forensic DNA profiling? What is the use of a population database? Why is the use of …

Analysis in forensic DNA profiling

While the science of forensic DNA profiling is foundationally valid, errors may arises in the process of interpreting DNA profiles. Therefore, it is essential for you to understand the steps …

Extraction, Quantitation and Amplification

What are the different steps in forensic DNA profiling? Extraction, quantitation, amplification – you may have come across these terms while examining DNA evidence in a case or while reading …