Coroner Jane Bentley released findings into death of Tara Brown, 24, in 2015
Ms Brown was run off a Gold Coast Road, Queensland, and trapped in her car
She was then beaten to death with a steel fire hydrant cover by Lionel Patea
Shocking details have emerged about Patea s violence towards Ms Brown
Patea pleaded guilty to her murder and was sentenced to 20 years in jail in 2017