The Fortitude Valley Ripper - Part 2

Police are able to identify and apprehend a suspect in relation to the Jasmine Crathern and Julie McColl murders. But is Francis Michael Fahey also responsible for the earlier attacks? If not, is there a killer or killers on the loose?

Link to the Forensic Files episode for this case:
https://www.youtube.com/watch?v=_svqu6FATlE