spent the day at her workplace in Claremont. McMahon departed the office at about 5.15 pm after telling a co-worker at 5.00 pm that she had a 5.30 pm meeting in Bassendean and she could not be late. Around the same time, McMahon received a call from her sister offering to pick her up from the Mount Helena Baptist Church that evening at 8.30 pm. A witness observed McMahon near her place of employment getting into her white 1986 Ford Meteor vehicle, bearing the licence plate 7FO731. At 5.59 pm, a female acquaintance tried to call McMahon on her cell phone, but it was switched off. McMahon was supposed to pick up her sister that evening at 8.30 pm, but she never arrived. Since then, nobody has seen McMahon. See also List of serial killers by country Media Australian Story, ABC, November 2007. Hunt for a Killer: The Claremont Murders, Crime Investigation Australia, 2008. The Claremont Serial Killer, Casefile True Crime Podcast, 20 August 2016. Claremont Serial Killings podcast, Post Newspapers, 2019. Claremont: The Trial podcast, The West Australian, 2019–2020. Notes References External links The State of Western Australia v Edwards [No 7] [2020] WASC 339 Hunt for a Killer: The Claremont Murders - Crime Investigation Australia - YouTube 1996 murders in Australia 1997 murders in Australia 1990s in Perth, Western Australia Claremont, Western Australia Crime in Perth, Western Australia People murdered in Western Australia Serial murders in Australia Unsolved murders in Australia