![Megaupload Assisted U.S. Prosecution of Smaller File-Sharing Service](http://www.wired.com/images_blogs/threatlevel/2012/11/dotcompic.jpeg)
Eighteen months before Megaupload’s operators were indicted in the United States, the company complied with a secret U.S. search warrant targeting five of its users who were running their own file-sharing service using Megaupload’s infrastructure, according to interviews and newly …