Yikes!
Lucky for her she did not do this at a Catholic Church as there are lil old ladies that watch for varments like her and would have blocked the doors and physically took The Body of Christ from her and any crumb that fell.
Luckily the first time one of our ushers (6'4" 220 lbs.) went up to him and told him, "You will either eat it, right here and now or return it to me."
The second time, the Extraordinary minister would not allow him to leave where he was standing without putting it in his mouth.