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

David Carlson, who says that he has known Boelter since fourth grade, described the shooting suspect as a "great guy."

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.

David Carlson, a friend of Vance Boelter, spoke with FOX 9 about the Minnesota lawmaker shooting suspect. Boelter texted them Saturday morning, "David and Ron, I love you guys. I’ve made some choices and you guys don’t know anything about this,

A massive law enforcement operation is ongoing as authorities search for Vance Boelter, the 57-year-old man suspected of the politically-motivated killing of Minnesota Rep. Melissa Hortman and her husband,

The suspect, Vance Boelter, was appointed more than once to the Workforce Development Board, where he served with State Senator John A. Hoffman, who was shot on Saturday.

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.