Forensic science has helped bring to justice some of the most evil, devious, and dangerous criminals in history. Using advanced technology, dogged research and intelligent analysis, forensic scientists can follow a trail of DNA, fingerprints, ballistics records, and microscopic fibers directly to a criminal. Featuring accounts of hundreds of real-life crime investigations, and illustrated with more than 450 photographs. Crime Investigation takes a global look at how forensic science has evolved from ancient times to today's sophisticated technologies, Infrared spectrometers which can identify the exact nature of clothing fibers left by suspects. CT scanners, used to pinpoint weapons in suitcases. Software programs and specialist modellers able to rebuild a victim's facial features over a bare skull. DNA profiling-a revolutionary tool which has allowed investigators to solve "cold cases" decades old, using evidence based on just a few cells.