Arizona Democratic Senator Ruben Gallego filed paperwork on May 22, 2026, to establish a legal defense fund named the “Senator Ruben Gallego Legal Defense Fund.” The IRS documentation designates it as a U.S. Senate legal expense trust for the senator, effective immediately following allegations of sexual misconduct and campaign-finance violations first raised by House Representative Anna Paulina Luna in April.

Luna identified Gallego during a CBS News interview, stating she reported “very disturbing” claims involving an unnamed senator to Senate leadership. The allegations include sexual misconduct and potential campaign-finance violations, though CBS News noted it had not verified the details at that time. Senator Gallego’s office denied wrongdoing, characterizing Luna’s accusations as right-wing conspiracy theories and asserting the fund was created in response to attacks from Luna, former President Trump administration officials, and allied critics.

The filing marks a formal escalation beyond routine campaign discussions. Gallego’s legal defense vehicle requires contributions over $25 to be disclosed quarterly to the Senate Ethics Committee, limits individual donors to $10,000, and prohibits corporate, union, lobbyist, foreign agent, and Senate employee contributions. The fund’s establishment follows House Republican Leader John Thune referring the matter to the Senate Ethics Committee after Luna directly identified Gallego as the subject of allegations.

Gallego has also faced recent scrutiny for his association with former Representative Eric Swalwell, who resigned from Congress and withdrew from a California gubernatorial race amid sexual misconduct allegations. Voters in Arizona now have concrete evidence that the senator is actively preparing legal resources while denying wrongdoing and framing the situation as political targeting rather than ethical concern.