Einar Stangvik is a white-hat hacker — an internet security expert with an expertise in cracking the most secure and disturbing parts of the web. He discovers a troubling phenomenon online and joins forces with journalist Håkon Høydal. It leads them to Australia, to confront two men who are running the largest child abuse site on the dark net. For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/hunting-warehead-transcripts-listen-1.5346693