回复8楼:During 2015, 634,908 missing person records were entered into NCIC, an increase of .1% from the 634,155 records entered in 2014. Missing
Person records purged during the same period totaled 634,742. Reasons for these removals include: a law enforcement agency located the
subject, the individual returned home, or the record had to be removed by the entering agency due to a determination that the record is invalid.