On 25 November 2021, Limbrick announced his intention to run at the 2022 federal election in the Senate. He resigned from the Legislative Council on 11 April 2022.[4][5]
^"Joint sitting of Parliament Legislative Council Vacancy"(PDF). Parliamentary Debates (Hansard). Victoria: Joint Sitting of Parliament Legislative Council. 22 June 2022. p. 2304. Archived(PDF) from the original on 18 November 2023. The CHAIR: I declare that Mr David Limbrick has been chosen to occupy the vacant seat in the Legislative Council. I will advise the Governor accordingly.
^Jepsen, Belinda (14 June 2023). "The Frankston serial killer had 3 victims. But there are others we never talk about". Mamamia. Archived from the original on 17 November 2023. In May 2021, almost three decades after Victorian serial killer Paul Denyer terrorised the bayside city of Frankston, MP David Limbrick assembled a press conference. As he spoke to the gathered media, he stood shoulder to shoulder with friends and family of one of Denyer's victims: 17-year-old Natalie Russell. His voice catching, he spoke about Natalie. "She was my girlfriend."