No-one can prepare for the heartache and confusion when a loved one disappears without a trace. For those fortunate enough, the missing person returns and their lives can start to be rebuilt. But for some, life will never be the same again. A future of uncertainty.
The detrimental effect of age-progressed images is most probably partly a psychological effect: The addition of an age-progressed image somehow changes observers' decision-making strategies, and does so in a profoundly unhelpful way.