Joseph Luker
... that constable Joseph Luker, the first police officer killed on duty in Australia, was a former convict?
... that constable <b id="mwBh8"><a href="./Joseph_Luker" id="mwBiA" rel="mw:WikiLink" title="Joseph Luker">Joseph Luker</a></b>, the first police officer killed on duty in Australia, was a former convict?