By Casey Baseel, Sora News 24; February 8, 2020
There are a couple of major reasons Japan’s chikan (train groper) problem is so persistent. One is the inherently mobile nature of the crime. It’s pretty difficult to get help from the authorities when the chikan can simply hop off the train at the next station, dash to another one going in a different direction, and disappear into Japan’s vast rail network while you’re still looking for a security guard.