A federal grand jury indicted a man Tuesday on charges that he fatally shot a prominent Minnesota state representative and her husband and seriously wounded a state senator and his wife while he was allegedly disguised as a police officer.

Vance Boelter was indicted by a federal grand jury on charges related to the murder of Minnesota House Speaker Melissa Hortman, her husband, and the critical wounding of two others. The indictment includes murder,

In a letter to the FBI director, Boelter wrote that the governor had instructed him to kill two U.S. senators, officials said.