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A former Rotorua St John Ambulance area manager admitted possessing thousands of child pornographic images.
Robin Andrew, 61, pleaded guilty in Rotorua District Court yesterday to 13 charges of possessing objectionable material.
Police said the images that were found at his home were considered to be the worst type of pornography available, the Rotorua Daily Post reported.
Andrew had a library of 550 compact discs and DVDs of mainly child pornography and bestiality, amounting to 71,788 images.
Stories of paedophilia and incest were also found stored on his computers and discs.
Pictures and videos featured children aged from one to about 12, some being sexually abused.
New Zealand police received information in January from Brazilian police regarding a computer file sharing programme called "eMule". Links were found to files containing graphic images of child abuse.
A list of users' addresses then led police to Andrew.
He was remanded on bail until sentencing on November 28. A pre-sentence and home detention report were requested.
- NZPA