According to reports, the subpoenas are part of a broader effort to uncover what lawmakers describe as 'critical gaps' in the federal government's enforcement of sex trafficking laws.
British woman Michele Bourda, 59, mysteriously vanished from a Greek beach while her husband napped. Her belongings were left behind as coastguard and police launched a massive land-and-sea search.
Popular Twitch star Duke Dennis was detained in San Antonio after a playful game led to police intervention and legal charges.
Ghislaine Maxwell, the woman at the center of one of America's most notorious sex trafficking scandals, has been quietly moved to a new prison in Texas.
