Gilbert, the golden retriever trained by murdered Minnesota lawmaker Melissa Hortman, had to be put down after the shooting that killed her and husband Mark at their home.

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

Minnesota state Rep. Melissa Hortman and her husband were shot and killed, and State Sen. John Hoffman and his wife were injured in what Gov. Tim Walz called "politically motivated" shootings.

The family of Melissa and Mark Hortman, who were killed by a gunman in their home over the weekend, has gathered at the Hennepin County Medical Examiner’s Office in Minnetonka to oversee the formal procession for the Hortmans.

SUSPECT CAPTURED: Vance Boelter, the suspect in the fatal shootings of a Minnesota lawmaker and her husband, as well as the woundings of another lawmaker and his wife, has been captured.

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.

Vance Boelter, the man accused of shooting two Minnesota state legislators and their spouses, was finally arrested late Sunday in Sibley County after an extensive manhunt. Boelter, 57, allegedly posed as a police officer and assassinated state House DFL leader Melissa Hortman and her husband,