Vance Boelter was charged with murdering Melissa and Mark Hortman, and with the non-fatal shootings of John and Yvette Hoffman.

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…