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.

Two Minnesota lawmakers were shot in a targeted attack. Rep. Melissa Hortman, DFL-Brooklyn Park, and her husband are dead.

The man accused of killing a Minnesota lawmaker and wounding another went to the homes of two other legislators on the night of the shootings, a federal prosecutor said Monday.