|1952 Australian newspaper clippings report the shootings of Paul and Priscilla Johnson in Ban Dong Mafai, which occurred on April 18, 1952. Paul passed away from his wounds on the 23rd.
The clippings are from the National Library of Australia on-line archive Trove. [www.trove.nla.gov.au/newspaper]. A quick search turns up dozens of newspapers throughout the country with reference to the killings.