Catherine says she's been out all week looking for the children with family members.
It's now day nine of the search on the rugged King Country coastline for Phillips and his children.
Here's what we know.
A spokesperson for her family is begging the teenager to make contact so they know she's safe.
Police have been unable to locate Caitlin and are now appealing to the public to help.
"He was going to have a chill one in Raglan, see his family... turns out he didn't actually see anyone."
Korbin was last seen at his house on Sunday night.
The death will be referred to the Coroner.
The two-year-old was last seen in 1992.