Who is Tammy Tyrrell, the former Jacqui Lambie senator who just defected to Labor?

Tammy Tyrrell, a former Jacqui Lambie senator, has defected to the Labor Party, giving Labor a gained seat in the Australian senate. Tyrrell had been sitting as an independent since her falling-out with Lambie in 2024. The move was announced by Prime Minister Anthony Albanese during budget week.