McGee had given the two bell signal for the train to move despite Georgia leaning against it.
You have seen for yourselves on the CCTV that she never moved away from the train once she had made contact with it.
Two telling quotes.
You would need to watch the CCTV footage for yourself, but if the two quotes are true to the footage, can't really see much of a defence.
He was negligent.
If such guards cannot be held to account for failing to do their job, what's the point in having them?