 Science is fun. It helps you to learn and know what fun it would be. Fascinating, interesting, mysterious, wonderful. But this is only the beginning. Okay Beans, you all set to fire it up, fire it up. This is called latent fingerprints. By the positive means of personal identification and form an indisputable link in the chain of evidence. It is our responsibility to identify things that are made by the various body fluids. Old-fashioned guesswork is replaced by certainty, saving hours and following useless clues. The facilities we have available for this purpose include the emission spectrograph, the mass spectrograph, fibers attached to the window casing. These pieces of evidence are preserved for laboratory examination. When physical evidence is found, it is immediately photographed. They collect and preserve any type of evidence for laboratory analysis. Here are dual microscopes being used to see if two bullets are of identical make. It's weird science. They may prove innocence as well as guilt.