The look reminds me more of that moonie, can’t think of his name, who with his followers drank the kool-aid to meet the flying saucers.
Jim Jones
That kook was not one of “Reverend” Moon’s flock, but I know who you are talking about. His cult was named “heaven’s gate.” The perp does have that same “going to meet the aliens” look about him.
You’re thinking of Doe Applewhite.
However the last time a congressman was killed it was near Jonestown in Guyana.