How to use "prostitutes" in a sentence

But he had only arrived in England the year before, so how could he know the area as well as the Ripper? And is it possible that Jack the Ripper changed from savagely killing prostitutes to poisoning barmaids?

There were stories of a mysterious man known as 'Leather Apron', who demanded money from prostitutes and beat them if they resisted

Some prostitutes left Whitechapel