Alleged Minnesota assassin Vance Boelter’s lifelong friend David Carlson has made several revelations about the suspect.

Accused Minnesota assassin Vance Boelter's notebooks detailing the chilling plans that were eventually carried out into the attack on two Democratic lawmakers and their spouses were found.

Heavily armed and dressed in tactical armor with a silicone mask hiding his face and a police-style badge, Vance Boelter made a convincing police officer – so much so that a real police officer mistook him for a fellow cop.

The best friend and roommate of suspected Minnesota gunman Vance Boelter says he received a haunting message from Boelter just hours after Saturday’s shocking shooting spree that left two people dead and two others wounded.

Minnesota shooting suspect Vance Boelter' pals revealed his text indicating he would soon be gone, expressing love and remorse for the trouble he caused.

David Carlson has known Vance Boelter for more than 40 years and was roommates with him at a north Minneapolis home that Boelter was at part-time. Carlson was shocked by Saturday's news that Boelter is the suspect in the shooting of two state lawmakers and their spouses.

Boelter, a 57-year-old former appointee by Minnesota Gov. Tim Walz, was sought by police for allegedly shooting Sen. John Hoffman and his wife Yvette and fatally shooting former Democratic House Speaker Melissa Hortman and her husband.

Suspected assassin Vance Boelter fronted a security firm his best friend said never existed and experienced “struggles” after returning from a three-year trip to Africa months before he allegedly turned his gun on a pair of Minnesota lawmakers and their spouses.