Boelter is accused of murdering former House Speaker Melissa Hortman and her husband Mark Hortman, as well as shooting state Senator John Hoffman and his wife, Yvette Hoffman. Sen. Hoffman and Yvette are expected to survive the shootings. Authorities have deemed the June 14 attack as a politically-targeted.

The indictment handed up lists murder, stalking and firearms charges against Vance Boelter, and could carry the federal death penalty.

Federal prosecutors on Tuesday are expected to a grand jury indictment against Vance Boelter, the man accused of shooting two Minnesota state lawmakers and their spouses.