The detective in charge of the investigation into the deadly beef wellington lunch served by Erin Patterson has denied police made several errors in the case, including failing to seize electronic items during a search of her house and wrongly identifying her son on CCTV footage, a court has heard.
Patterson, 50, faces three charges of murder and one charge of attempted murder relating to poisoning her four lunch guests – relatives of her estranged husband, Simon Patterson – with a beef wellington served at her house in Leongatha, Victoria on 29 July 2023.