Rep. Kelly Morrison (D-Minn.) joins Meet the Press NOW to discuss the shooting of Minnesota lawmakers and increased security concerns, while urging Americans to calm their political rhetoric. GUID: no

Washington Congressman Adam Smith spoke about rising political violence after a man fatally shot a Minnesota lawmaker and her husband.

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

One of the debilitating aspects of any violence is how final and definitive it is and how anemic any response to it feels. Capturing and trying the alleged culprit are necessary next steps but nothing unwinds what was done.

Current and former Oklahoma legislators have expressed heartbreak and condemnation over the shootings of two Minnesota lawmakers.

Daylight was still two hours off when Brooklyn Park police approached the home of former Minnesota Speaker Melissa Hortman to find someone had beat them there.

U.S. Capitol Police increased security for Klobuchar and Smith following the attacks, which occurred early Saturday morning. Minnesota's entire congressional delegation, both Republicans and Democrats, released a joint statement condemning the killings.

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.