Libertarian activists, who generally oppose criminal drug policies, argued the government overreached in building its case against Ross Ulbricht and the dark web marketplace Silk Road.

Ulbricht operated the anonymous digital marketplace known as Silk Road when law enforcement arrested him. The pardon fulfills ...

The FBI said Silk Road had generated more than $200m (£161m) in sales of drugs, guns, fake IDs and computer hacking services, while it also linked six drug-related deaths to the site. It was used ...