The Justice Department issued subpoenas, a House oversight committee sought interviews and the state opened its own inquiry into a Democratic plan to recruit a spoiler into a Senate race.
The department has issued grand jury subpoenas to local election officials as part of a widening effort to prove unsubstantiated claims about large numbers of illegal voters in the state.
Voters casting their ballots in Los Angeles in June. At least two employees of Los Angeles County Registrar-Recorder’s office received grand jury subpoenas last week.
A federal judge gave the government until noon on Friday to share which states had received letters trying to enlist them in an effort to find evidence of voter fraud.