Kahui-case pathology results still awaited

Police investigating the deaths of Chris and Cru Kahui say they are waiting for the results of pathology tests which they hope will provide more evidence of how the twins died.

Babies' clothing is among items taken from the Mangere home where the three-month-olds suffered severe injuries.

A scene examination at the house has been completed by Environmental Science and Research (ESR) experts.

Detective Senior Sergeant John Tims said hundreds of inquiries involving "all manner of people and institutions" had been made in the weeks since the twins' death.

"Since we were first notified of the twins' injuries on June 13, we've interviewed up to 90 medical practitioners and staff who've provided valuable information to the investigation team," he said.

The twins died within hours of each other on June 18 at Auckland's Starship Hospital.

Mr Tims said the results from the pathology tests would help piece things together and give a more accurate estimate time of when the injuries were inflicted on the babies.

The results were expected next week.

Mr Tims said inquiries at the two properties the twins' families were known to frequent had also been completed.

Police have spoken to at least 20 members of the immediate and extended families of the babies, he said.

Those interviews had been recorded either on video or by hand and a further 90 non-family witnesses have been interviewed by the investigation team, he said.

"I'm pleased with the progress we're making and will continue to make," Mr Tims said.

"We haven't exhausted the list of people we want to speak with and today we'll be speaking to some we haven't already spoken with and reinterviewing some others. We don't have any plans to speak with Chris and Cru Kahui's parents today."

- NZPA