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

An Illinois lawmaker said she hopes the horrific tragedy will lead to increased safety measures for public officials and first responders.

The Utah Republican downplayed and joked about what authorities say were politically motivated shootings over the weekend of Minnesota Democratic lawmakers.

The recent shootings of lawmakers in Minnesota are part of a disturbing trend toward politically linked violence, ABC News analysts say.

Political violence targeting elected officials demands immediate action and stronger preventive measures, according to a Texas Southern University expert analyzing the recent fatal shootings of Minnesota lawmakers.

Federal officials say the suspect in the Minnesota lawmaker shootings had notebooks with a list of over 45 state and federal officials to target. Rep. Kelly Morrison, who says she was on the list, joins Chris Jansing to discuss how “traumatic” the shootings have been on her community and why she fears the political violence will have a chilling effect on the country.

The attacks on two Democratic Minnesota state lawmakers at home are the latest in a grim spike in political violence.

Former Marine and Democratic hopeful Maura Sullivan faces GOP backlash after appearing with sign containing '86 47' message that some interpret as threatening toward Trump