Days after authorities say a gunman posing as a police officer fatally shot their parents and wounded two others, the children of Democratic Minnesota State Rep. Melissa Hortman, are speaking out about their loss.

After the man suspected in the killing of state Representative Melissa Hortman and her husband, Mark, faces federal and state charges, Minnesota Attorney General Keith Ellison tells MSNBC’s Lawrence O’Donnell that the suspect is going to be held accountable for his “crimes against both the people of the United States and the people of Minnesota.

Lawmakers nationwide expressed shock and outrage over the shooting deaths of Minnesota state Rep. Melissa Hortman and her husband Mark, and the shootings of Sen. John Hoffman and his wife Yvette.