The “Tokyo Reporter” publishes it’s articles on a really sleazy website so I hesitated to share this but the article itself seems to be accurate. The crime occurred in the Higashi-ku (East Ward) of Kumamoto City.
Here’s a link to a Japanese article about the same incident:
https://breaking-news.jp/2017/09/18/035369
– Kirk
http://www.tokyoreporter.com/2017/09/22/kumamoto-man-used-cord-to-strangle-wife-to-death/