In late March 2015, a criminal complaint issued by the United States District Court for the Northern District of California led to the arrest of two former federal agents who had worked undercover in the Baltimore Silk Road investigation of Ulbricht, former Drug Enforcement Administration agent Carl Mark Force IV and Secret Service agent Shaun Bridges.[50][51] The agents are alleged to have kept funds that Ulbricht transferred to them in exchange for purported information about the investigation.[50][52] The agents were charged with wire fraud and money laundering.[53]