Taranaki Police have issued a search warrant for a man in relation to the shooting at Taranaki Base Hospital's carpark last month.
Stanley Joesph Sole is wanted in relation to the incident on August 1 which saw a 43-year-old man suffer serious injuries when he was shot in the back and legs.
Detective Senior Sergeant Brent Matuku said police are still carrying out extensive inquiries and are focused on hunting down those involved.
On Monday, police arrested a 49-year-old man and 47-year-old woman in relation to the incident after they raided Highway 61 gang clubrooms in Waitara.