http://blog.livedoor.jp/schulze/archives/52120851.html

http://mainichi.jp/shimen/news/20150604ddm012010035000c.html

http://headlines.yahoo.co.jp/hl?a=20150604-00000056-jij-pol

http://www.jiji.com/jc/c?g=pol_30&k=2015060400318 http://www.47news.jp/FN/201506/FN2015060401001025.html

http://www.moj.go.jp/content/001146258.pdf