Ross Ulbricht, right, is shown in court as the prosecution rests its criminal case against him in New York, Feb. 4, 2015.

Vanity Fair writer Nick Bilton's new book chronicles the life of Ross Ulbricht, who in 2011 at age 26 launched the Silk Road, a site where anyone could anonymously buy or sell "drugs, hacking software, forged passports, counterfeit cash, guns, grenades, and poisons." Under the pseudonym "Dread Pirate Roberts," Ulbricht's business raked in $1.2 billion in sales, with the Feds on the hunt.

Below is an excerpt of "American Kingpin: The Epic Hunt for the Criminal Mastermind Behind the Silk Road."