That takes care of people coming in through doors. What about the windows?" The 'guard' asked.

"Two windows. One is in my office and another in a meeting room. Neither opens. They've been painted shut."

"So, we can watch for people leaving the building by monitoring the doors and windows. What if someone opened the hatch and passed out a package?"

Cal turned the hand-wheel and pulled the door open. The hinges screeched, making O'Brien wince.

"I still have a hard time ...