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.

A long-simmering fight over congressional security roared back to the surface this weekend following a pair of shootings against Minnesota state legislators at their homes that left two dead and two others hospitalized.

Sen. Amy Klobuchar (D-Minn.) said her security was increased without her request following the fatal shooting of former Minnesota state Speaker Melissa Hortman (D) and her husband over the

Political violence concerns grow in Virginia after Minnesota attack as experts warn lawmakers face increasing threats. Virginia officials condemn the politically motivated shooting.

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