Explain the different categories of fibers.

 500 words each.........2 references each
1.Explain the different categories of fibers. Provide a scenario where each of these types of fibers may be found at a crime scene and how they would be analyzed.
2. Describe in detail how and why NIBIN was developed as well has which government agency manages it. In what instances would it be used in a criminal investigation?
 3. Discuss two forensic examinations used in the Michael Brown case. Be sure to address the forensic evidence that was examined and where it was located in the crime scene and what each examination revealed to investigators.
4.  Explain how the use of DNA has advanced criminal justice investigations over the last few decades. Also discuss the limitations of DNA evidence.