Vance Boelter has been charged in the shootings of two Minnesota lawmakers and their spouses, and the FBI says that he visited the homes of multiple other elected officials the night he killed Minnesota Rep.

Here's what to know about the criminal charges filed against Vance Boelter, accused of killing Rep. Melissa Hortman and her husband, Mark.

Vance Boelter, is now charged federally with the murders of Rep. Melissa Hortman and her husband, Mark, as well as the shootings of Sen. John Hoffman and his wife, Yvette, both of whom survived. At a press conference, Acting U.S Attorney for Minnesota Joseph H. Thompson called the shootings "the stuff of nightmares."