http://gigazine.net/news/20151030-science-of-cheating/

http://www.news-postseven.com/archives/20151101_360802.html

http://headlines.yahoo.co.jp/hl?a=20151102-00000007-asahik-soci

http://www.moj.go.jp/MINJI/minji05_00238.html

http://news.goo.ne.jp/article/bengoshi/life/bengoshi-topics-3888.html