Sophie and Colin Hortman are responding to the fatal shooting of their parents, Minnesota state Rep. Melissa Hortman and Mark Hortman. In a written statement released Monday night, Sophie and Colin Hortman said they're "devastated and heartbroken.

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.

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.

Melissa Hortman, a Minnesota lawmaker who was gunned down in what is described as a politically motivated attack, earned degrees at Boston University and Harvard.

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,

A manhunt is underway for the gunman who was impersonating a police officer and had a list of possible targets, officials said.

Minnesota Rep. Melissa Hortman and her husband Mark were killed. Sen. John Hoffman and his wife were injured in the shooting.

A dedicated volunteer who taught Sunday school and loved dogs. A lawyer who served as a Girl Scout Leader and worked at her dad’s auto parts store. A mother and wife whose husband was killed alongside her.