Backcourt on "controlled tap"?

[just another ref]

Originally Posted by refiator

Team B steals the ball on a throw-in in A's front court, then A1 knocks the ball off of B2's leg...ball rolls into B's front court. B3 and A3 both go for the ball, and B3 pushes the ball back to B2, who is still in his backcourt. Granted, B3 never caught the ball in the front court...but would you consider a "controlled push" control enough for purposes of calling a BC violation?

When you say B stole the ball, if they gained control at that point, your situation is a violation. If not, this is the key. No violation. There is no "controlled push". Did he catch the ball or not?