They did not wish to provide more details as the case was still before the courts, but said it had changed their lives forever.
"We still have a long way to recover, but we are getting there one day at a time; with some good days and some not so good days."
They thanked those who were involved in the response to the stabbing, from supermarket staff to police, St John, and the staff at Dunedin Hospital.
Fuenzalida is a prison guard at Otago Corrections Facility.
"We would also like to express our thanks to all the staff at Otago Corrections Facility for their ongoing support.
"From the beginning they have been outstanding."