Tragic, but yet another example of violence against women and sex workers, you have to assume this guy was tracking the sex worker and had made a booking, for the purpose of harming this women.
"On Tuesday, police confirmed the body of a 21-year-old woman was found in the apartment block Clarence House in Sydney’s CBD around 3:15pm.
She is understood to be a sex worker operating from home and police said the alleged knifeman was visiting her for “business” purposes.
Police allege she was killed by the suspect, Mert Ney, 21, who then stabbed another woman, 41, at random by stabbing her in the back.
The second woman is recovering in hospital.
Detectives are studying phone records of the young sex worker to determine the nature of her relationship with Ney."