"A robbery has occurred. At first glance, it looks like nothing was left behind. But when fingerprint analysts arrive, they use a special light to find latent fingerprints. Find out about the techniques and tools fingerprint analysts use to help bring even the toughest cases to a close"--Provided by publisher.
Amy Kortuem Bücher
A shooting has occurred. Investigators have not yet found evidence. Then they look in a surface water drain and find bullet casings. They put the casings in a paper bag and send them to the lab to be analyzed. Find out about the techniques and tools ballistics experts use to help bring even the toughest cases to a close.