Minneapolis: A grand jury has convened in Minneapolis to hear evidence in the death of Australian woman Justine Damond, and help decide whether charges will be pressed against the police officer who fatally shot her in July last year.

The majority of the Minneapolis officers subpoenaed to testify before a grand jury in the fatal police shooting of an Australian woman were the trainers or educators of the officer who fired his weapon, according to the head of the Minneapolis police union.

More than 30 officers have been subpoenaed to testify as prosecutors decide whether to charge Officer Mohamed Noor in the July death of Justine Ruszczyk Damond, a 40-year-old life coach who was engaged to be married.