Invercargill police are looking for man who has been impersonating a Child Youth and Family worker.
A police spokesperson said the man, who had a clipboard, approached another man at his home on Tweed Street about midday on Sunday and asked him questions about his children.
The suspect was described as non-European, about 182cm tall, thin and with black, spiky hair.
Anyone with information about him or who may have seen him can call the Crimestoppers hotline, 0800 555 111.