What is the purpose of NIBIN?

• A. A database for handwriting samples.
• B. A repository for DNA profiles.
• C. A registry for fingerprint records.
• D. National database for firearm ballistic information.

Answer: (A)

NIBIN focuses on the unique markings left by firearms on bullets and cartridge cases. It captures high-resolution images of these ballistic markings and stores them in a national database so investigators can compare evidence from different crimes and determine if they involve the same gun or similar firearms. This capability links cases by firearm characteristics like rifling impressions and breechface marks, helping investigators trace weapons and understand firing connections. The other options point to entirely different forensics domains—handwriting, DNA, or fingerprints—whose databases are not what NIBIN houses. In short, NIBIN is the national database for firearm ballistic information used to match and connect firearm-related evidence across cases.