Brenton Tarrant admitted all charges in March.
Last month Cabinet agreed to a two-month extension.
The high-level inquiry is due to submit its final report at the end of this month.
They're convinced the terrorist pretended to pray at the mosque to plan his attack.
"I'm smiling now rather than tearing."
Brenton Tarrant changed his pleas on Thursday, admitting all charges.
She says it brings accountability for what happened.
He changed his plea on Thursday.
Janna Ezat says it shows her son dying a hero.