Chau was killed after illegally visiting the island in a bid to convert members of an uncontacted hunter-gatherer tribe to Christianity. 

Indian authorities have hit pause on efforts to retrieve John Chau's body from the remote island of North Sentinel, where he was killed by the endangered Sentinelese tribe.

Indian authorities are grappling with how to retrieve the body of American missionary John Chau, who is believed to have been killed by arrow-wielding tribesmen on North Sentinel island.