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: 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 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.
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)
Answer: The film leaves it ambiguous...it can be interpreted either way. She may have simply been being paranoid, but the circumstances, and Jimmy's behavior, were very suspicious.