The assassination of a Democratic Minnesota state lawmaker and her husband and the shooting of another lawmaker and his wife at their homes are just the latest addition to a long and unsettling roll call of political violence in the United States.

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

Rep. Kelly Morrison of Minnesota joins The Weekend to discuss the murder of her former colleague in the Minnesota state house Melissa Hortman and the chilling impact of the politically motivated attack.

Investigators found a cowboy hat near the vehicle and were working to determine whether it belongs to Boelter.

The United States has a long and grim history of political violence, from presidential assassinations to lynchings and violence aimed at Black people in

Governor Maura Healey led Massachusetts lawmakers in condemning the shootings of state politicians and their spouses in Minnesota​ on Saturday.

Authorities are on the second day of the hunt for a man suspected of killing Minnesota State Rep. Melissa Hortman and her husband at their house. The suspect also is believed to have shot State Sen. John Hoffman and his wife in their home.

Republicans and Democrats said Saturday's killings in Minnesota were a chilling reminder of the threats they receive regularly.