The issue focused on Section 702 of the Foreign Intelligence Surveillance Act (FISA), which enables intelligence agencies to intercept communications involving foreigners overseas without obtaining warrants from the FISA court. According to Bloomberg News, Feinstein argued that Snowden should face espionage charges rather than extradition because his disclosures harmed national security and endangered Americans. She reportedly threatened Snowden with treason charges if he returns to the United States and divulges classified information about NSA spying activities. The leaks prompted revelations about NSA surveillance practices such as Prism and bulk collection of metadata from telecommunications providers