Vance Boelter is accused of posing as a police officer and fatally shooting former Democratic House Speaker Melissa Hortman and her husband, Mark, in their home early Saturday in the northern Minneapolis suburbs. Authorities say he also shot Sen. John Hoffman, a Democrat, and his wife, Yvette, at their home in a nearby neighborhood.

Authorities first encountered Boelter outside of Hortman’s home, where they found inside his vehicle “No Kings” protest flyers, and a notebook with 70 listed names of lawmakers, all of whom were Demo...

Authorities said he impersonated a police officer to gain access to the suburban Minneapolis home of state Rep. Melissa Hortman, a 55-year-old Democratic leader and former speaker of the Minnesota Hou...