India, June 17 -- Vance Boelter, the man accused of carrying out a chilling series of attacks against Minnesota lawmakers and their families, now faces six serious federal charges, including two counts of murder that could carry the death penalty.

Federal prosecutors on Monday laid out new details of Boelter's alleged overnight rampage, which began early Saturday and left two people dead and others wounded.

Acting U.S. Attorney Joseph Thompson said the 57-year-old suspect, meticulously planned the assaults. "This is the stuff of nightmares," Thompson told reporters, calling the crimes "a chilling attack on our democracy."

Boelter's six federal charges: two counts of stalking, two firearms-related offences tied to the non-fatal shooting...