A Columbia Father searches for son missing in Arizona

The family says their son has been missing for the past 4 months

(ABC News) —- For the last four months a Columbia father has been in Arizona on a desperate search for his son who disappeared while working there as a geologist.

Now, not only is he on a search for his own child but also others missing from the same area.

ABC’s Angie Koehle has more from Arizona.