Convicted sex offender Alan Rubick was highly manipulative and skilled at identifying young vulnerable boys, the High Court at Whanganui was told.
Rubick was sentenced yesterday to a minimum of eight years in prison on 10 charges of indecent assault against young boys aged 7 to 14, and two years' jail on 20 charges of possessing objectionable material.
Rubick's offending occurred from 1995 to 2001, and 2012 to 2013. The terms are to be served concurrently.
Crown prosecutor Harry Mallalieu said Rubick exposed young boys to pornography, and engaged in masturbation and oral sex. Police found 12,157 objectionable images in Rubick's possession.
Victim impact statements spoke of disgust and hate for Rubick and the ongoing effect his offending had. Defence lawyer Stephen Ross said Rubick was aware of the long-term harm suffered by victims.