"There've been times that I've let you and our people down. And I'm sorry for that," Bentley said in a press conference.
Alabama Gov. Robert Bentley has resigned ahead of impeachment proceedings being filed against him.
Bentley is accused of abusing his power to cover up an alleged affair with his former aide Rebekah Mason.
Lt. Gov. Kay Ivey will replace Bentley as the state's governor for now.