The court was told that Smith later fled the home while wearing the girl's tracksuit pants and hid out at another friend's house, where he admitted to "doing something stupid" and that he had killed someone. He also said his deceased victim had "deserved it".
Smith was later found hiding in the bushes by a police dog and taken into custody, where he has remained as a lengthy court process plays out.
The matter was back before the court in Brisbane and ended with Smith, now 45, being sentenced to 20 years' prison – including the eight years he has already been locked up – after he pleaded guilty to a charge of manslaughter.
Smith had already admitted to the rape of the young girl and been sentenced to eight years in prison, while a life sentence for the woman's murder was handed down following a trial in 2018.
However, in 2021, Smith was granted a retrial for that matter upon appeal following errors that were made during the original proceedings.
Prosecutor Philip McCarthy on Friday said the Crown accepted Smith did not specifically intend to kill the victim when he strangled her, but he noted that he intended to cause her fear and pain.
Justice Soraya Ryan was scathing of Smith's behaviour in her sentencing remarks.
She said he had "one of the most violent criminal histories I have ever seen" and much of his offending had been fuelled largely by methamphetamine addiction.
She noted that crimes in August 2014 had ended the life of a woman, "a loved mother, sister, daughter, and friend – your friend".
"You did not mean to kill her, but she owed you nothing sexually. No woman owes a man anything sexually," Justice Ryan said.
SEXUAL HARM - DO YOU NEED HELP?
If it's an emergency and you feel that you or someone else is at risk, call 111.
If you've ever experienced sexual assault or abuse and need to talk to someone contact the Safe to Talk confidential crisis helpline on:
• Text 4334 and they will respond
• Email support@safetotalk.nz
• Visit https://safetotalk.nz/contact-us/ for an online chat
Alternatively contact your local police station - click here for a list.
If you have been abused, remember it's not your fault.