Sabotage.
They can see that she is talking rubbish and is blowing hot air.Rember that venue is owned by WMC propaganda machinery.
This is a constant reminder for the Inquiry that the damages caused by State Capture run very very very deep, so Judge Zondo and his crew must work ever so hard because even them aren't immune to the after effects thereof.
Someone trying to stop Barbara from testifying?
Due to Barbara's lies