A manhunt is underway after the fatal shooting of Minnesota state Rep. Melissa Hortman and her husband overnight. State Sen. John Hoffman and his wife were also injured in what Gov. Tim Walz called "politically motivated" shootings.

A memorial of flowers, candles, and handwritten notes lined the steps of the State Capitol in Minneapolis on Sunday in tribute to former Minnesota House Speaker Melissa Hortman and her husband Mark after they were killed in a shooting at their home.

Authorities asked for the public’s help in finding Vance Boelter, 57, and South Dakota officials are seeking a ‘person of interest’ who may be traveling with him.

Boelter, 57, was arrested at about 9 p.m. June 15. He is accused of shooting the two Democratic state legislators and their spouses in the early morning hours of June 14. The Minnesota State Patrol took him into custody in rural Sibley County,

State Rep. Melissa Hortman and her husband were killed, and state Sen. John Hoffman and his wife were injured, in what officials called a targeted attack.