The killing of a Minnesota lawmaker and her husband sent shockwaves through the political world and appeals from elected officials to turn down heated rhetoric.

The targeted shootings of two Minnesota state lawmakers this weekend underscore a grim trend: An increasingly volatile political climate has left state and local officials more exposed than ever to threats and harassment.

Authorities are still searching for the suspect after the targeted shootings of Minnesota lawmakers Rep. Melissa Hortman and Sen. John Hoffman.

Suspected assassin Vance Boelter is seen during his arrest in Sibley County following a two-day manhunt in Minnesota. Ramsey County Sheriff Bob Fletcher said someone matching Boelter's was seen on a resident's trail camera. Boelter attempted to evade arrest for about an hour,… pic.twitter.com/AMnUbM85Nh

The Minnesota Department of Public Safety recently issued an alert regarding text messages claiming to be “Minnesota Department of Motor Vehicles” or “DPSMN.”

Members of Congress will receive security briefings this week after a Minnesota state lawmaker and her husband were killed, and another state lawmaker and his wife were wounded.