TWICE Mina, a man of murder teaser arrested. That time series.
● June 13, 2017, Korean famous bulletin board "ILBE" along with a murder weapon picture "Mina betrayed" killing teaser.
- On July 2 of the same year, the emergency situation of Kimpo Airport which entered Korea from Japan with "terrorism teaser" with "buffets hydrochloric acid on face".
In July of the same year, the culprit was arrested by IP address tracking.