This was the means by which John Button 's girlfriend , 17 - year - old Rosemary Anderson , had been killed .
So the Western Australian community at large and the legal advocates for Button and Beamish were unaware that Cooke had attempted murder by vehicle impact .
This was the means by which Button   's girlfriend , 17 - year - old Rosemary Anderson , had been killed .
So the Western Australian community at large and the legal advocates for Button and Beamish were unaware that Cooke had attempted murder by vehicle impact .