When Spider has Johnny in the chair in the hospital as Jane looks on, the camera encircles all three. As the camera passes behind Spider, you clearly see the camera's shadow on Spider's back as it slowly swoops by.
The subway tunnel seems abandoned: there's trash lying around
the track and nobody else in the station. The tunnel lights and station lights might be lit because the Loteks want to make sure they can escape that way, but why are the signals still working?