With forensic DNA analysis becoming increasingly important at trial, this book presents carefully chosen cases that illustrate specific concepts, methods, and interpretations used in DNA analysis. It covers methods such as STR techniques, mitochondrial DNA, and Y-STRs as well as some novel techniques recently introduced in unique cases, including familial testing and analyzing domestic animal hair. It also addresses the strengths and limitations of forensic DNA evidence and highlights the nature of expertise of forensic professionals with a special focus on the role of subjectivity in interpreting forensic DNA evidence, emphasizing cognitive bias and extraneous context.