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.

A suspect is in custody after Minnesota State Rep. Melissa Hortman and her husband were fatally shot Saturday, while State Sen. John Hoffman and his wife were wounded.

The children of Melissa Hortman and her husband Mark Hortman are speaking out on their parents' murders. “They were the bright lights at the center of our lives, and we can’t believe they are gone," Sophie and Colin Hortman wrote in a statement obtained by PEOPLE Monday.

The children of Rep. Melissa Hortman and her husband, Mark, released a statement after the death of their parents.

Vance Boelter, the man accused of shooting two Minnesota state legislators and their spouses, visited the homes of four lawmakers over the course of a few hours early Saturday. Federal prosecutors have charged Boelter,

Melissa Hortman’ s influence at the Minnesota Capitol and her power as a Democratic leader to shape the course of a deeply divided Legislature were a far cry from her job as a teenager making chili-cheese burritos and overshadowed her volunteer work training service dogs for veterans.

Before her death, Minnesota House Speaker Melissa Hortman helped train service dogs for veterans. One veteran said her support gave him a second life.

As shooting suspect Vance Boelter faced a judge Monday, friends and loved ones of shooting victims Mark and Minnesota State Rep. Melissa Hortman continue to share tributes."Many times, when something tragic happens,