[1][4] Publicity of the abductions made the family sell the farm a year or so later and move interstate to New South Wales, buying a dairy in Kyogle.
[5] In 1988, Coulston came to media attention when he attempted to sail his custom built 2.4-metre (8 ft) vessel which he named G'Day 88 from Australia to New Zealand across the Tasman Sea.
[4] Kerryn Henstridge, 22, Anne Smerdon, 22, and Peter Dempsey, 27, the brother-in-law of one of the women, were forced into separate rooms and hogtied using cable ties before Coulston shot them execution style in the back of the head with a sawn-off .22 rifle fitted with a home-made silencer made from an oil filter.
[4] On 1 September 1992, Coulston armed himself with the same weapon used to commit the earlier murders and some cable ties, then drove to St Kilda Road and parked his car near the National Gallery of Victoria.
Whilst attempting to restrain the female he was overpowered by the male who had grabbed the rifle and threw it aside allowing the couple to escape and raise the alarm with two nearby security guards.
[1][8] Detained at HM Prison Barwon, in 2005 it was reported that Coulston had collected fifteen television images of the assault of a fully clothed woman.
[5] The "Balaclava Killer" had raped several women armed with a sawn-off .22 rifle often while their bound male partner watched in the Gold Coast, Queensland between December 1979 and October 1980.
[11] In February 1980, an attack occurred at Tweed Heads, a male partner Jeffrey Parkinson fought back and was shot dead allowing his unharmed female companion to flee.
[5][14] One of whom had the blood type of group A secretor who committed offences between 1985 and 1987 in the Sutherland Shire and Hurstville including targeting couples in lovers' lanes bounding their male partners armed with a sawn-off shotgun wearing several disguises.