Who is "THEY" referenced in this article by Prime Minister Jacinda Ardern? Its not a misspeak "THEY" is referenced? They lived in Dublin, They are not residents of ChristChurch.

It has also been revealed the accused, lived in Dunedin since at least 2017 and has been described by residents as both quiet and someone who liked to talk about his travels. Prime Minister Jacinda Ardern confirmed on Friday that

Tarrant, 28, believed to be "the primary perpetrator", was a Dunedin resident.

She said he had been in and out of New Zealand "sporadically".

"This individual has travelled around the world, with sporadic periods of time spent in New Zealand. They were not a resident of Christchurch, in fact they were currently based in Dunedin at the time of this event," she said.

https://www.news18.com/news/world/from-pakistan-to-north-korea-gym-enthusiast-new-zealand-shooter-shared-pictures-of-his-world-tour-2068437.html