Edward Leonski On 9 November 1942, serial killer Edward Leonski was hanged at Pentridge Prison in Melbourne. Edward Joseph Leonski was an American soldier and serial killer responsible for the strangling murders of three women in Melbourne, Australia. Leonski was known as The Brownout Strangler, given Melbourne's wartime status of keeping low lighting (not as stringent as a wartime blackout). His self-confessed motive … Continue reading On this day (Australia): In 1942, serial killer Edward Leonski was hanged at Pentridge Prison in Melbourne