NSW Premier Barry O'Farrell has defended a police investigation of the death of Brazilian student Robert Laudisio Curti, saying the probe had been praised by a state coroner.

NSW Ombudsman Bruce Barbour released a report on Thursday that criticised the investigation because it failed to deal with the issue of police misconduct.

He made a number of recommendations, including that his office be immediately notified of all incidents involving the death or serious injury of people during policing activities.

But Mr O'Farrell says police already have enough checks.

"There is already an independent body, it's called the Police Integrity Commission," he told reporters in Sydney.

"Let's be clear about this, police have more accountability mechanisms that just about anybody else."

Mr Curti, 20, died in the early hours of March 18 after officers tasered him 14 times, used capsicum spray, handcuffs and a baton and knelt on him after a chase through Sydney's CBD.

In her coronial findings, Magistrate Mary Jerram found the officers had acted "thuggishly" and she rejected some of their evidence.

But Mr O'Farrell pointed out the coroner had said the investigating police had "acted with skill and a lack of bias that was to be commended".

"The coroner commended the investigation into this matter," he said.

Mr O'Farrell said the Curti family could take comfort from the fact the PIC was investigating whether the police were involved in criminal conduct.

He rejected the report's calls for more accountability measures.

"We should not continue to load up police with more and more accountability measures, making it virtually impossible for them to do their jobs," he said.

 

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