{"id":812133,"date":"2026-07-20T11:45:13","date_gmt":"2026-07-20T11:45:13","guid":{"rendered":"https:\/\/www.newsbeep.com\/au\/812133\/"},"modified":"2026-07-20T11:45:13","modified_gmt":"2026-07-20T11:45:13","slug":"alleged-murderer-johnathan-paul-parker-denies-killing-woman-in-adelaides-south","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/au\/812133\/","title":{"rendered":"Alleged murderer Johnathan Paul Parker denies killing woman in Adelaide&#8217;s south"},"content":{"rendered":"<p class=\"paragraph_paragraph___QITb\">A man accused of murdering a woman in Adelaide&#8217;s southern suburbs has told a court he is not to blame for her death, and instead alleged the crime was committed by the victim&#8217;s ex-wife.<\/p>\n<p class=\"paragraph_paragraph___QITb\">Warning: This story contains content some readers may find distressing.<\/p>\n<p class=\"paragraph_paragraph___QITb\">Johnathan Paul Parker, 51, is standing trial in South Australia&#8217;s Supreme Court after pleading not guilty to murdering 38-year-old Krystal Marshall at her Aldinga Beach home in October 2023.<\/p>\n<p class=\"paragraph_paragraph___QITb\">However, at the start of the trial, he <a class=\"Link_link__kR0xA Link_link__5eL5m ScreenReaderOnly_srLinkHint__OysWz Link_showVisited__C1Fea Link_showFocus__ALyv2\" href=\"https:\/\/www.abc.net.au\/news\/2026-07-01\/johnathan-parker-krystal-marshall-murder-trial-begins\/106864774\" data-component=\"Link\" data-uri=\"coremedia:\/\/article\/106864774\" rel=\"nofollow noopener\" target=\"_blank\">pleaded guilty to destroying her remains by setting them on fire<\/a>.<\/p>\n<p class=\"paragraph_paragraph___QITb\">On Monday, Parker took the stand in his defence and told the court that Anastasia Marshall \u2014 Krystal Marshall&#8217;s ex-wife \u2014 was responsible for her death.<\/p>\n<p class=\"paragraph_paragraph___QITb\">He said he had attempted to cover up the crime because he was in an &#8220;intimate&#8221; relationship with Anastasia Marshall and he &#8220;was in love with her&#8221;.<\/p>\n<p class=\"paragraph_paragraph___QITb\">The court previously heard that Parker, Krystal Marshall and Anastasia Marshall were all living at the same house.<\/p>\n<p><img decoding=\"async\" alt=\"A woman with sunglasses on her head.\" class=\"Image_image__5tFYM ContentImage_image__DQ_cq\"  src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/07\/83ce6d73a30dc48642826895cb589387.jpeg\" loading=\"lazy\" data-component=\"Image\" data-lazy=\"true\"\/><\/p>\n<p class=\"Typography_base__sj2RP FigureCaption_text__zDxQ5 Typography_sizeMobile12__w_FPC Typography_lineHeightMobile20___U7Vr Typography_regular__WeIG6 Typography_colourInherit__dfnUx\" data-component=\"Typography\">Krystal Marshall&#8217;s\u00a0body was found at the scene of a house fire at Aldinga Beach south of Adelaide, prompting a murder investigation by SA Police. (gofundme)<\/p>\n<p class=\"paragraph_paragraph___QITb\">Parker told the court that on October 19, 2023, the trio had an argument before Krystal Marshall&#8217;s alleged murder.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;I went out and had a couple of cones just to chill out \u2026 just to remove myself from the situation,&#8221; he said.<\/p>\n<p class=\"paragraph_paragraph___QITb\">He added that it &#8220;wouldn&#8217;t have been 10 minutes&#8221; before he walked back into the home and asked Anastasia Marshall if the two had stopped arguing.<\/p>\n<p>&#8220;Anastasia looked at me, I don&#8217;t know how to explain it as such, but the way that she looked at me \u2026 something was obviously very wrong,&#8221;  he said.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;I opened up the door and I seen [sic] Krystal&#8217;s body face down on the bed.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;I don&#8217;t remember exactly how her arms were. But all I remember is seeing her face was down on the bed.&#8221;<\/p>\n<p class=\"paragraph_paragraph___QITb\">The 51-year-old also told the court that his &#8220;mind went to mush&#8221; after he confronted Anastasia Marshall.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;I walked back into Anastasia&#8217;s room and said, &#8216;What the f*** have you done?,&#8221; Parker told the court.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;She looked at me and said, &#8216;What does it matter? She&#8217;s dead&#8217;.&#8221;<\/p>\n<p><img decoding=\"async\" alt=\"A house in a suburban street.\" class=\"Image_image__5tFYM ContentImage_image__DQ_cq\"  src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/07\/132a087f6cdc81cc167dc05d527bab69.jpeg\" loading=\"lazy\" data-component=\"Image\" data-lazy=\"true\"\/><\/p>\n<p class=\"Typography_base__sj2RP FigureCaption_text__zDxQ5 Typography_sizeMobile12__w_FPC Typography_lineHeightMobile20___U7Vr Typography_regular__WeIG6 Typography_colourInherit__dfnUx\" data-component=\"Typography\">Krystal Marshall&#8217;s body was found inside the Aldinga Beach home. (ABC News: Ethan Rix)<\/p>\n<p class=\"paragraph_paragraph___QITb\">Parker also told the court that he was not sure why he &#8220;thought to use fire&#8221; a day later \u2014 on October 20 \u2014 but that he was &#8220;trying to disguise what had happened&#8221;.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;I just soaked a heap of wood in accelerant,&#8221; he said.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;I put that over Krystal&#8217;s body, then I used the last of the accelerant and tipped it over the bed.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;I can&#8217;t remember how I lit the fire \u2026 I know there were some candles in the hallway.&#8221;<\/p>\n<p class=\"paragraph_paragraph___QITb\">When asked by his barrister Bill Boucaut KC, Parker said his motivation to set Krystal Marshall&#8217;s body on fire was to protect Anastasia Marshall.<\/p>\n<p>&#8220;I was in love with her still, very much, and I started to feel I wanted to protect her from that situation,&#8221;  he said.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;I thought that she loved me.&#8221;<\/p>\n<p class=\"paragraph_paragraph___QITb\">He added that Krystal Marshall and Anastasia Marshall had a &#8220;tumultuous relationship&#8221; and &#8220;they argued a lot&#8221;.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;It was common knowledge that they didn&#8217;t get along that well,&#8221; Parker told the court.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;They went from just yelling to bumping chests.&#8221;<\/p>\n<p>Prosecutor asks if evidence &#8216;made up&#8217;<\/p>\n<p class=\"paragraph_paragraph___QITb\">In cross examination, prosecutor Jim Pearce KC asked Parker how he knew that Anastasia Marshall had allegedly killed Krystal Marshall if he had not explicitly been told.<\/p>\n<p class=\"paragraph_paragraph___QITb\">Parker told the court that it was the &#8220;way she looked at me&#8221;.<\/p>\n<p class=\"paragraph_paragraph___QITb\">Mr Pearce then asked: &#8220;Was there something evil in the way she looked at you?&#8221;<\/p>\n<p class=\"paragraph_paragraph___QITb\">\u00a0&#8220;Yeah,&#8221; Parker responded.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;On what you&#8217;re telling us, you had no idea how Krystal had died, did you?,&#8221; Mr Pearce then asked.<\/p>\n<p class=\"paragraph_paragraph___QITb\">Parker responded: &#8220;That&#8217;s correct.&#8221;<\/p>\n<p><img decoding=\"async\" alt=\"An old stone building with columns\" class=\"Image_image__5tFYM ContentImage_image__DQ_cq\"  src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/07\/db1545109d5de21cff5bd1c9c2ec8478.jpeg\" loading=\"lazy\" data-component=\"Image\" data-lazy=\"true\"\/><\/p>\n<p class=\"Typography_base__sj2RP FigureCaption_text__zDxQ5 Typography_sizeMobile12__w_FPC Typography_lineHeightMobile20___U7Vr Typography_regular__WeIG6 Typography_colourInherit__dfnUx\" data-component=\"Typography\">Johnathan Paul Parker is standing trial in South Australia&#8217;s Supreme Court after pleading not guilty to a charge of murder. (ABC News: Che Chorley)<\/p>\n<p class=\"paragraph_paragraph___QITb\">Mr Pearce asked if Parker&#8217;s evidence about how he knew Krystal Marshall was dead was &#8220;made up&#8221;, but Parker said it was &#8220;all true&#8221;.<\/p>\n<p class=\"paragraph_paragraph___QITb\">He also asked the alleged murderer why he did not check for a pulse or call an ambulance, and questioned whether it had crossed his mind that she could have died from natural causes.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;The reason that you didn&#8217;t make any inquiries is because you didn&#8217;t have to because you are the one that killed her. You knew full well that she was dead, and how she died, because you were responsible,&#8221; Mr Pearce said.<\/p>\n<p class=\"paragraph_paragraph___QITb\">&#8220;That&#8217;s not correct,&#8221; Parker responded.<\/p>\n<p class=\"paragraph_paragraph___QITb\">The trial was <a class=\"Link_link__kR0xA Link_link__5eL5m ScreenReaderOnly_srLinkHint__OysWz Link_showVisited__C1Fea Link_showFocus__ALyv2\" href=\"https:\/\/www.abc.net.au\/news\/2026-07-14\/johnathan-parker-prison-phone-calls-played-murder-trial\/106912544\" data-component=\"Link\" data-uri=\"coremedia:\/\/article\/106912544\" rel=\"nofollow noopener\" target=\"_blank\">previously played prison telephone intercepts in which Anastasia Marshall can be heard telling Parker that he had &#8220;f***ing murdered my wife for no f***ing reason&#8221;<\/a>.<\/p>\n<p class=\"paragraph_paragraph___QITb\">Mr Pearce will continue his cross-examination of Parker on Tuesday.<\/p>\n<p class=\"paragraph_paragraph___QITb\">The trial is expected to conclude next week.<\/p>\n","protected":false},"excerpt":{"rendered":"A man accused of murdering a woman in Adelaide&#8217;s southern suburbs has told a court he is not&hellip;\n","protected":false},"author":2,"featured_media":812134,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[386977,386976,64,63,3403,386974,386975,2968,44,386978,1049,1109,22639],"class_list":["post-812133","post","type-post","status-publish","format-standard","has-post-thumbnail","category-australia","tag-aldinga-beach-murder","tag-anastasia-marshall","tag-au","tag-australia","tag-defence","tag-johnathan-paul-parker","tag-krystal-marshall","tag-murder","tag-news","tag-parker-trial","tag-supreme-court","tag-trial","tag-wife"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/812133","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/comments?post=812133"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/812133\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media\/812134"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media?parent=812133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/categories?post=812133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/tags?post=812133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}