Marlborough police have charged a man they say has been reposting photos of teenage girls on adult websites.
Police say a number of young women's pictures have been taken from social media sites, doctored with sexually explicit additions and reposted to adult sites.
The 56-year-old Nelson man has been charged with child exploitation, possessing objectionable material and causing digital harm. He's due to appear in court next week.
Netsafe's Online Safety Operations Centre Manager Sean Lyons spoke to Corin Dann.