Filming for Series 9 was suspended mid-shoot in March due to the Corona Virus pandemic. Production resumed in the middle of June.
That was Channing, he over ruled her. You had a syringe to your throat and she wouldn't even move an inch
They use the term top dog in the series, in Australian criminal world and inside jail being called a dog is an insult saying you are a rat/narc as in the US. (The term "top dog" is used a lot in both England and Australia and it is not an insult at all)