Forensic Science Technicians can identify many things such as handwriting, blood, fingerprints, fiber and hair. They can also figure out the mode in a persons handwriting. They can react the crime scene and figure out exactly what happened and why. It can also be really difficult to match fingerprints, even to people who are professionals. Although many people think that Forensic Science Technicians is the main method to find criminals, but its not. Eyewitnesses account is the number one because its easier to believe someone who actually saw it.They can also track everything you do in the computer.