The city's population is 90.9% native born and 9.1% foreign born. Of the city's population 48.6% are men and 51.4% are females. The races making up the largest parts of the population are: White [85.6%], Hispanic [9.5%] and Two or more races [4.2%]. The population of Arlington, WA is 17,926. 55.0% of the city's population is married. The other 45.0% are single. The city's population is 19.5% college educated and 89.3% have a high school diploma or a GED.
BFS 23 PEB 11 (Rev. 4/99) NIBIN Program-Automated Firearms Evidence Imaging INTRODUCTION NIBIN is a computer-based image comparison system. This system allows forthe intercomparison at local, state and national levels of fired cartridge casesand expended bullets (in some laboratories).
Ninhydin is a chemical that reacts with the aminio acids found in fingerprints. When the chemical contacts the amino acids, the combination of the two turns a bright purple color.The coloring is known as Ruhemannâs purple, named after the man who discovered ninhydrin, Siegfried Ruhemann.inhydrin comes in pre-mixed aerosol cans and, in a chrystal form. When using the chrystals, detectives and crime scene investigators must mix the ninhydrin with a carrier, such as acetone â the same chemical thatâs found in fingernail polish remover â or alcohol. The mix is then placed in a spray bottle for use.