The investigators claimed they found it when the login page leaked its IP. It was one of the more contested facts of the case - some thought it was possible, ot

The investigators claimed they found it when the login page leaked its IP. It was one of the more contested facts of the case - some thought it was possible, other infosec people thought it wasn't. There are stories that say Ulbricht was notified by someone in one of the chat rooms that the site was leaking IP addresses, but Ulbricht never fixed it, which allowed the FBI to find the real server in Iceland. Wired did a great two part article on the story: http://www.wired.com/2015/04/silk-road-1/ http://www.wired.com/2015/04/silk-road-1/ More articles on the leaky login page: http://www.wired.com/2014/09/the-fbi-finally-says-how-it-legally-pinpointed-silk-roads-server/ http://www.wired.com/2014/09/the-fbi-finally-says-how-it-leg... http://krebsonsecurity.com/2014/09/dread-pirate-sunk-by-leaky-captcha/ http://krebsonsecurity.com/2014/09/dread-pirate-sunk-by-leak... http://www.theregister.co.uk/2014/09/08/leaky_captcha_behind_fbis_silk_road_rapture/ http://www.theregister.co.uk/2014/09/08/leaky_captcha_behind...