The Police and Crime Commissioner for Gwent says the force is "in a better place" without the Chief Constable.
Earlier this month, Ian Johnston admitted telling Carmel Napier to retire or face being pushed out.
Both are due to be questioned by a group of MPs on the circumstances surrounding Mrs Napier's exit from the force.
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Hollie Kerrell, 28, was last seen in Knighton on Sunday 22 April. A 35-year-old man has been arrested on suspicion of murder.
Theresa May welcomes agreement between UK and Welsh Governments over the post-Brexit transfer of powers
The Welsh Rugby Union have revealed that North will play for the Swansea-based Ospreys next season.