When Mike comes down to get a snack, he goes into the pantry. The door that he opens changes from being closed to open a few times while the conversation in the kitchen is taking place.
At episode's end, Courtney collects various items from the JSA headquarters so she can start recruiting new members, but how does she know the code to get in? Given that he doesn't want her involved, Pat wouldn't have given it to her, and the two of them are keeping Barbara and Mike in the dark about the ISA as a means of protecting them.