What credible source exists for the intent of this administration? You can have all the IR acumen in the world, but you won't be able to get into the head of this president.

News sources in Venezuela reporting on the presence of American troops might be one?

An invasion with the intent of taking control of the country would not involve troops arriving in the capital, completing their mission perfectly with no losses on their side, and then everybody leaving, such that no enemy troops remain.