Ever since MegaUpload was hit with arrests and seizures last week, everyone has been wondering how the US government managed to get access to internal communications between the company’s founders. Most of the incriminating conversations cited in the indictment are Skype IMs that would have long been purged from Skype’s servers. According to Cnet, it has been confirmed that the FBI obtained a warrant to obtain the data, and that might have included using government-issued spyware.