Det Insp Barry added the gun used in the Ponsonby shooting hasn’t been found yet.
The victim, 33-year-old Robert Sidney Horne is being remembered by his family on social media who expressed their “deep sadness” over his death.
“Our thoughts are with the family and friends of Mr Horne following this tragic incident,” said Det Insp Barry in a statement
“The family of Mr Horne are understandably devastated at what has occurred and have requested privacy at this difficult time.”
Horne was at a bar with a group of people when he was killed.
On Tuesday a warrant was issued for Kay-Selwyn’s arrest for the unlawful possession of a firearm.