Visible crew/equipment: When Henry takes a look outside to see if the helicopter is circling, a boom mic is reflected on the glass door. (01:57:00)
Visible crew/equipment: After Henry pistol-whips his neighbour he goes to Karen's home. She opens a glass door and a boom mike, set lights and crew are reflected on it.
Visible crew/equipment: When Henry comes out of jail and hugs his wife a boom mike is reflected on the glass of the car door.
Visible crew/equipment: When young Henry is parking a black car, a crouched cameraman on the right is reflected on the front part.
Visible crew/equipment: When James is in the phone booth and he gets the call about Tommy, the camera moves in really quickly. The reflection of the lens is visible for some time as James talks on the phone. Left of screen.
Answer: He was expecting a crowded room full of friends congratulating him. Also it was common knowledge among the mafia that being walked into an empty room when you were due to be made meant you were about to be executed, so Tommy likely knew he'd met his end just moments before the shot.
William Bergquist