Her chief of staff announced her death in a statement Friday, saying that the lawmaker died Thursday night at her home in Washington, DC.
Looking back on U.S. Sen. Dianne Feinstein's legacy
California Senator Dianne Feinstein died Thursday night at 90 years old. Feinstein was a lifelong advocate for progressive causes including gun control and reproductive freedom. She was also the first female mayor of San Francisco and the first woman to represent California in the US Senate. In the wake of her death, questions are swirling over how the California Democrat's now-empty seat in Congress will be filled.