Some organizers see the rallies as a gauge of shifting sentiment against President Trump and his aggressive policies.

Minnesotans gathered at the Capitol for "No Kings" protests and mourn Rep. Melissa Hortman, as law enforcement searched for her suspected killer.

On the same day Melissa Hortman and her husband were murdered in a "politically-motivated" assassination, more "politically-motivated" violence occurred at peaceful protests across the country.

Organizers of last weekend's "No Kings" protests are celebrating the event as the one of the largest mass demonstrations in U.S. history, and already have another rally on the books. Why it matters: Building off the success of Saturday's rallies,

The Minnesota State Patrol released photos that were found inside the Minnesota lawmaker shooting suspect's fake police vehicle, along with revealing there was a manifesto with lawmakers' names listed on it.

Minnesota Rep. Melissa Hortman and her husband Mark were killed. Sen. John Hoffman and his wife were injured in the shooting.

The suspect in the slaying of Rep. Melissa Hortman and her husband — the suspect also shot Sen. John Hoffman and his wife — remains at large.

It began with a moment of silence for a Minnesota lawmaker and her husband who were killed in what Gov. Tim Walz called a political assassination.

Also in North Dakota – it’s estimated that 1,700 people turned up in Bismarck, while smaller protests were held in Grand Forks, Jamestown, Bottineau, Devils Lake, Dickinson, Williston and Minot.

Tens of thousands of protesters congregated outside the Minnesota State Capitol Saturday as part of the nationwide "No Kings" protest against the Trump administration, despite authorities urging people to stay home in the wake of the shock killing of Minnesota Rep.

After two Minnesota state lawmakers were shot in a targeted attack, Minnesota Gov. Tim Walz advises against attending "No Kings" Day protests.