A significant portion of crimes go unreported or uninvestigated. This issue is highlighted in a recent survey, which reveals that most offenses are not brought to the attention of authorities. The survey's findings show a large disparity between the number of crimes committed and those that are actually investigated.

Further details are available from the source, including the specific percentage of unreported or uninvestigated crimes. The survey provides insight into the scope of this problem, which affects various types of offenses.

The source reports that the majority of certain serious crimes are not investigated, with nearly all of them going unaddressed.