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In a letter Friday to Assembly Speaker Karen Bass, the Legislative Counsel Bureau said that the assembly's ability to investigate the matter ended when Duvall resigned from his position. Deputy Legislative Council Fred Messerer says the state Constitution only allows ethics investigations of current Legislative members.
"Based on the information presented by counsel, my understanding now is that the Assembly's disciplinary ability, with its harshest penalty being removal from office, was fulfilled by his resignation," said Bass.
Bass added that she'll ask the co-chairs of the Assembly Ethics Committee to propose a plan that would ensure relationships between legislators and lobbyists remain professional and consistent with the public's best interests.
In the meantime, the FBI has conducted interviews with two former employees of Duvall. Officials would not say whether the agents were conducting an investigation into the matter.
Duvall could not be reached for comment, but he's said in the past his only offense was engaging in inappropriate storytelling.