ad forums in April 2013. “I would like to contribute to this forum offering professional advice in topics related to drug use and health,” he wrote in an <a href="http://web.archive.org/web/20131015051405/https://dkn255hz262ypmii.onion.to/index.php?topic=147607.0" data-href="http://web.archive.org/web/20131015051405/https://dkn255hz262ypmii.onion.to/index.php?topic=147607.0" rel="nofollow">introductory post</a>, using his DoctorX alias. Caudevilla offered to provide answers to questions that a typical d