Of course.
He accidentally tripped, fell, and landed in Sheremetyevo International Airport with a nice cushy job in the Russian government, with Russian citizenship and a nice estate worth 10s of millions of dollars, and clearly just accidentally mispoke when he swore allegiance to Russia. All the nsa secrets he took with him were irrelevant to that story, typical of any asylum seeker arriving anywhere.
lol, oops, I forgot how triggered some people get for calling it defecting.
Edward Snowden published several slide decks about it a few years ago, before he defected to Russia.