Threats and violent acts have become part of the political landscape, still shocking but somehow not so surprising.

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

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.

Members of Congress will receive security briefings this week after a Minnesota state lawmaker and her husband were killed, and another state lawmaker and his wife were wounded.

Minnesota Gov. Tim Walz gave this statement overnight after state police apprehended the suspect in the assassination of State Rep. Melissa Hortman, the former Speaker of the Minnesota House, and her husband after a two-day manhunt.

The Minnesota assassination is causing some state legislators to rethink home security and how much personal information they make public.

While Washington hosted a military parade, large crowds gathered across the country Saturday to peacefully protest President Donald Trump’s policies. The threat of violence – and news of a political assassination in Minnesota – added to tensions.

The attacks on two Democratic Minnesota state lawmakers at their homes are the latest in a grim and alarming surge of U.S. political violence.