<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The case of Lynette Dawson's disappearance and murder has been closed after more than four decades as the </span><a href="http://9news.com.au/courts" rel="" target="" title="High Court"><span>High Court</span></a><span> refuses to entertain her husband's challenge to his conviction.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><a href="http://9news.com.au/chris-dawson" rel="" target="" title="Chris Dawson"><span>Chris Dawson</span></a><span>, 76, killed his wife and disposed of her body in January 1982 because of his infatuation with a teenage female PE student.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>That young girl swiftly moved into Dawson's home after he murdered his wife, </span><a href="http://9news.com.au/new-south-wales" rel="" target="" title="NSW"><span>NSW</span></a><span> Supreme Court Justice Ian Harrison found in August 2022.</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE: </span></strong><a href="https://www.9news.com.au/national/reserve-bank-westpac-predicts-four-rate-cuts-from-as-early-as-august/81dc9238-5569-4d60-a06d-22ba3a5ae044"><strong><span>Big four bank makes huge rate cut prediction</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The former teacher was sentenced to a maximum of 24 years for the crime.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The NSW Court of Appeal rejected his challenge to his murder conviction in June 2024, finding that there was no miscarriage of justice despite errors in Justice Harrison's decision.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Dawson then took the matter to the High Court where a panel of six judges shot down his final bid today.</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/chris-dawson-loses-final-futile-appeal-of-murder-conviction/6a64b84b-0837-4754-b798-88625c2daa91" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"There is no reason to doubt the correctness of the decision of the Court of Criminal Appeal including its dismissal of the appeal," the judges wrote.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"Accordingly, it would be futile to grant an extension of time (to appeal)."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Earlier this month, </span><a href="https://www.9news.com.au/national/chris-dawsons-student-sex-conviction-upheld-in-court-new-south-wales-news/b64b08c7-8e85-4b5a-a53f-a646253f0fc6" rel="" target="" title="Dawson also lost his challenge to a separate carnal knowledge conviction"><span>Dawson also lost his challenge to a separate carnal knowledge conviction</span></a><span> in the NSW Court of Appeal.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE: </span></strong><a href="https://www.9news.com.au/national/police-probe-whether-decadelong-feud-led-to-torched-cars/78bccfe8-cfc2-4735-90d4-572e125dc8af"><strong><span>Police probe if decade-long feud led to car fire bombings</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE: </span></strong><a href="https://www.9news.com.au/national/mushroom-cooks-triple-denial-as-trial-grilling-ends/62e54eb0-41fb-4be8-a3d5-07fae9340b81" rel="" target="" title=""><strong><span>Mushroom cook's triple denial as eight-day trial grilling ends</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>That case upheld findings by the state's District Court that the ex-teacher had engaged in unlawful sexual activity with the student who eventually moved into his home before she turned 17.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The carnal knowledge sentence added one year to his non-parole period which expires in 2040.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><em><strong><span>Support is available from the</span></strong></em><em><span> </span></em><em><strong><span>National Sexual Assault, Domestic and Family Violence Counselling Service</span></strong></em><em><span> </span></em><em><strong><span>at</span></strong></em><em><span> </span></em><a href="https://www.1800respect.org.au/" title="https://www.1800respect.org.au/"><em><strong><span>1800RESPECT (1800 737 732)</span></strong></em></a><em><strong><span>.</span></strong></em></div></div>