A critical US intelligence surveillance law is nearing its expiration, potentially crippling the nation’s spying capabilities. Section 702 of the Foreign Intelligence Surveillance Act (FISA) is set to lapse if not renewed by Friday, creating significant legal uncertainty for intelligence agencies and telecommunication companies. Both Democratic and Republican members of Congress have warned of the consequences, highlighting the importance of the law for national security. The law allows surveillance of foreign targets located outside the US, even if it incidentally collects data on Americans. Failure to renew could hinder the ability to monitor potential threats. Debate over the law centers on privacy concerns and the scope of government surveillance powers. A resolution remains uncertain as the deadline approaches.