Tom Steyer apologizes for campaign aide who stole Kamala Harris's voter data

Tom Steyer’s campaign apologized, and one of his campaign aides resigned after he improperly downloaded campaign data belonging to Democratic presidential primary rival Kamala Harris.

Dwane Sims, who was the Steyer campaign’s South Carolina deputy state director, gained access to thousands of Harris volunteer contacts last week through previous employment with the South Carolina Democratic Party. The Steyer campaign told NBC News that it lost access to South Carolina Democratic Party data due to a miscommunication about payment, and when it was restored, Sims regained permissions that he had when he worked for the state party and thought he was accessing Steyer campaign data rather than that of Harris, a California senator.