When a NICS background check is initiated, which three databases are searched?

The answer is A because when a National Instant Criminal Background Check System (NICS) check is conducted, it specifically searches three key databases to ensure a comprehensive evaluation of a person's background. The first database is the National Crime Information Center (NCIC), which contains information on criminal history, warrants, and protection orders. The second is the Interstate Identification Index (III), which is maintained by the FBI and consolidates criminal history records from across states, allowing for more thorough vetting of individuals. Lastly, the NICS Indices includes information specifically related to denials of firearm purchases based on mental health disqualifications, felony convictions, or other prohibitive criteria.

This combination of databases is crucial because each serves a distinct purpose in identifying potential disqualifiers for firearm purchases, thereby ensuring public safety. The integration of these databases helps to maintain consistent and accurate information across jurisdictions, which is essential for effective background checks.