In the 2020 general election, Guerrero defeated Republican incumbent
Sixto K. Igisomar to become the first Democrat to win a Senate seat in Saipan since 2003. On February 12, 2024, Guerrero stated she would be leaving the Democratic Party at the end of her term. After exploring a run for
Delegate in the
2024 election, DeLeon Guerero chose to run for reelection to the Senate as an independent. In the 2024 general election, Democratic nominee Representative
Manny Castro defeated DeLeon Guerrero, receiving 5,178 votes to Deleon Guerrero's 4,210 votes. == References ==