FBI searches of US officials in foreign intel database spur oversight concerns

FBI analysts improperly searched a foreign intel database for info on a US senator, state senator, and state judge, violating policies.
The searches occurred under Section 702 of the Foreign Intelligence Surveillance Act, which allows warrantless spying on foreigners.
The FBI has implemented reforms and improved compliance, but errors show need for more oversight and change.
Bipartisan lawmakers voice worries about potential overreach as Congress debates renewing Section 702 authorities.
FBI stresses importance of Section 702 for national security but acknowledges need for accountability to protect rights.