article_snippet: Homeland Security's internal watchdog was asked to investigate the June 2014 incident last October after a whistleblower came forward.
article_snippet: Homeland Security's internal watchdog did not release specific details of the passenger's criminal history or where the June 2014 incident took place.
article_snippet: Significant security breach':
article_snippet: It is not known where the June 2014 breach took place .
article_snippet: The incident was brought to the attention of the Inspector General's Office's after a whistleblower went to the U.S. Office of Special Counsel, an independent federal investigative agency.
highlights_snippet: The watchdog, which began investigating in October after a whistleblower came forward, did not say where the June 2014 incident took place .
  