http://news.tbs.co.jp/sp/newseye/tbs_newseye3446284.htm

https://news.yahoo.co.jp/byline/maedatsunehiko/20180814-00093041/

http://www.aplaw.jp/lawyers/hiroshi-takahashi/

http://www.tokyo-np.co.jp/article/saitama/list/201808/CK2018081002000172.html

https://okaguchik.hatenablog.com/entry/2018/08/14/085214