“We’ve heard a million things of where he could be.
“We’ve had sightings in Porirua, sightings in Trentham, sightings in Petone, sightings in Taranaki even.
“And it’s been four days now, so there’s every possibility that he could be anywhere in New Zealand right now.”
The 50-year-old was described as 195cm tall, of solid build, with black hair and a short, white beard.
Trenton previously told RNZ his dad had just got a new job and had been doing really well for the past three years. He said he had a past of mental health issues, but it had been a long time since he had “an episode”.