In the second week of the trial, prosecutors presented documents and chat logs from Ulbricht's computer that, they said, demonstrated how Ulbricht had administered the site for many months, which contradicted the defense's claim that Ulbricht had relinquished control of Silk Road. Ulbricht's attorney suggested that the documents and chat logs were planted there by way of BitTorrent, which was running on Ulbricht's computer at the time of his arrest.[46]