The shootings of two Minnesota lawmakers and their spouses over the weekend highlights the rise in political violence that's been seen in the U.S. over the past five years. CBS News congressional correspondent Nikole Killion reports.

Minnesota state Rep. Melissa Hortman and her husband were killed, and state Sen. John Hoffman and his wife were wounded in politically motivated shootings early Saturday, Gov. Tim Walz said. Authorities have also identified a suspect who is still at large.

Authorities announced the arrest of the suspect in the Minneapolis shootings that killed one state lawmaker and wounded another.