The man who killed former Minnesota Democratic House Speaker Melissa Hortman and her husband, and seriously injuring another lawmaker and his wife, has changed his plea after agreeing to a deal with federal prosecutors.

Federal prosecutors will not seek the death penalty against Vance Boelter, the man charged with killing state Rep. Melissa Hortman and her husband, Mark.

U.S. prosecutors say they will not seek the death penalty as part of a plea agreement with the man charged in the political assassinations of the top Democrat in the Minnesota…