- Updated "Technology Innovation" boxes to highlight the most recent advancements in investigations, such as GPS photo mapping; virtual autopsies using MRI scanning; and searchable video surveillance; and a new prototype method for detecting fingerprints using X-rays
- Updated material on digital photography and videography
- Additional coverage of new technologies and methods such as new information on voiceprints and language analysis; expanded coverage of DNA evidence, including mitochondrial DNA; moral and ethical issues surrounding collection of DNA samples; expanded discussions on ballistics evidence and microstamping technology, drug identification, weapons of mass destruction, document examination and digital evidence
- Updated statistics throughout the text
- New information on laws passed since last edition.