A killing for hire?
It was not the only time Ulbricht is alleged to have used the site to procure illegal services. Tarbell claimed that in March, Dread Pirate Roberts solicited the killing of a Silk Road user who was attempting to blackmail him by threatening to release the identities of thousands of users of the site.
The FBI alleges that the Canada-based extortionist, known as FriendlyChemist, demanded $500,000 to prevent the release of the information, prompting Dread Pirate Roberts to contact another user and order a hit on FriendlyChemist.
"In my eyes, FriendlyChemist is a liability and I wouldn't mind if he was executed," he is alleged to have written, before attempting to haggle down the price. "Don't want to be a pain here, but the price seems high. Not long ago, I had a clean hit done for $80k."
The FBI claims the hitman later sent a picture of the victim after the job was done -- for approximately $150,000 in bitcoins -- although Tarbell said Canadian authorities had no record of a Canadian resident with the name passed to the alleged hitman, nor any record of a homicide around that location and time.
Ulbricht's lawyer, Brandon Leblanc, declined to comment on the case.
Silk Road's closure is unlikely to bring an end to the trade of illegal goods on the "dark web," as similar sites operate on the Tor network.