The Trials of Louisa Collins. Louisa was the first and last woman hanged in NSW Australia.This case captured the public imagination in 1888. People packed the courthouse to watch the 'Botany Borgia's murder trials. Not one trial but four. Louisa's eventual death sentence sparked public satisfaction and public rage. Was she guilty or not guilty? This true crime tale brings to life the characters who fought for and against Louisa's appointment with the gallows.