Plot holes at the end (SPOILERS)

1. There was no need for Angela to follow Tony Russo to Miami, as the FBI arrested him without any new evidence having been collected there. They could just as well have arrested him in New York without Angela's involvement. I know this is a light-hearted movie not to be analysed in much detail, but the writer could surely have made a minimum attempt to justify the need for her going to Miami. 2. Once a suspect (Tony Russo) has seen an FBI agent on close hold (near Angela's apartment in New York), they would get him out of the way and not have him jump all over the place in front of the suspect again (airport and hotel lobby). 3. When the FBI agent got cornered in the hotel lobby by the 2 mobsters, he was wearing a mike and his fellow agents would have heard he was in trouble and could have assisted him in the lobby.