Sister Elizabeth, Preston, and Bobby are able to leave the restaurant, get the to airport, purchase tickets to Pittsburgh, and board the plane, in the same time it takes the kidnappers to go from their apartment, into the hallway to their apartment.
When Bobby is controlling the actions of the three hoodlums, he puts his arms down twice.
The subplot of whether Bishop O'Linn was the mastermind of the kidnapping is never resolved.
In the opening sequence after Bobby levetates the manhole cover off, Wills and Preston appear. While they are talking you can see a shadow from the boom mic move accross the manhole cover.