Deaths Caused by Choke Holds

In many countries, law enforcement officers are required to train in martial arts. Choking techniques are used as a way of subduing violent criminals without weapons. Here's an interested article about choking techniques in the sport of Judo and case studies of deaths caused by chokes from policeman. http://judoinfo.com/new/techniques/grappling-techniques/314-deaths-allegedly-caused-by-the-use-of-choke-holds-by-ek-koiwai-md-