Police are asking for help to find a 15-year-old boy missing since 10 March.
Frederick, also known as Ricky, was last seen in the Papakura area 10 days ago by his family.
He was reported missing four days later.
"Police have been making enquiries as to his whereabouts but are now asking for help from members of the public," a police spokesperson said.
Anyone with information that might help could contact police on 105, or by visiting the police website Update Report page, and quoting file number 230314/8782.