Three employees of Harris County Judge Lina Hidalgo have been indicted by a grand jury on charges related to how they helped award a contract for COVID-19 vaccine outreach last year.The Harris County district clerk lists two felony counts each for chief of staff Alex Triantaphyllis, policy director Wallis Nader and former policy aide Aaron Dunn. The charges are misuse of official information and tampering with a government record.The charges add weight to a scandal Hidalgo has attempted to dismiss as politically motivated, and they threaten to tarnish her carefully cultivated image as an ethically minded public servant as she ...