States have improved the completeness of criminal history records used for FBI checks—more records now contain both the arrest and final disposition (e.g., a conviction)—but there are still gaps…. States reported progress in providing complete records to the FBI, but incomplete records that can delay criminal record checks and affect applicants still exist.
According to stakeholders Government Accountability Office (GAO) contacted, the use of private companies to conduct criminal history record checks appears to be increasing because of employer demand and [private companies] can provide benefits, such as faster response times.
From: pubs.napbs.com
Central record repositories report that “incomplete criminal records returned from an FBI record check can result in a variety of challenges when screening an individual’s suitability for employment or licensing.”