Robert Aaron Long has been sentenced to life in prison but still faces more charges.
A young man has admitted his role in the crime last year.
A former actor has been jailed over failing to pay two male escorts.
The killings are being treated as transphobic hate crimes.
The alleged rapist faces multiple charges after saying he would “fix the gay”.
Police are investigating motives for the latest violent crime linked to the app.
Trans sex worker Kimberley McRae was killed in Sydney last month.
She fought off the violent client by hitting him in the groin.