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