blog




  • Essay / Research regarding types of fingerprint disclosure...

    Title; The effect of varying the type of fingerprint revealing powder (carbon black powder, baby white powder) on the accuracy percentage (%) when revealing latent fingerprints on a glass surface. Introduction and objective; Humans come into contact with their fingers on a variety of surfaces and objects on a constant basis. These can vary from a variety of different surfaces; light and dark, porous or non-porous, rough or smooth. Such factors contribute to the visibility of the fingerprint. “Fingerprinting is a form of biometric and forensic science that uses physical characteristics for identification.” “The technique of taking fingerprints is known as dactyloscopy.” Detectives, crime scene investigators, and forensic scientists often reveal fingerprints using different methods to detect criminals, because a fingerprint is often considered a unique form of identity and therefore no two people share the same fingerprint. including twins, just like DNA. This process involves searching, collecting and recording fingerprints present at the crime scene. After that, they compare the fingerprints collected from the crime scene to the suspects' original fingerprints to find an exact match. So it is very useful for the police department to have fingerprint records. During this experiment, the research question aims to aid the understanding of the properties of different fingerprint revealing powders, thereby affecting their ability to reveal fingerprints, which, as far as key concepts are concerned, is a system or an essential process for forensic scientists, crime scene investigators and detectives to detect criminals, helping to improve the world and decrease crime rates. This investigation could potentially prove what fingerprint reveals...... middle of paper ......During the commission of the crime, the oils and sweat on the person's fingers varied. Oils on the person's fingers could have affected the humidity of the beaker, allowing the powder to be absorbed at different levels. Clean the suspect's fingers with alcohol wipes before performing the experiment. Works Cited “Fingerprint Analysis”. : How it's done. Np, and Web. April 2, 2014. “Forensics Lab 8.0: Revealing Latent Fingerprints – Introduction.” " DO. Np, and Web. April 2, 2014. “How Fingerprints Solve Crimes.” Direct my link. Np, and Web. April 2, 2014. “How Fingerprints Solve Crimes.” Enzine articles. Np, nd Web. “How to Use Baby Powder to Reveal Latent Fingerprints.” Scientific experiments RSS. Np, and Web. April 2, 2014.Watson, Stephanie. “How Fingerprinting Works.” How things work. HowStuffWorks.com, March 24, 2008. Web. April 2. 2014.