this aired sometime last year on the Bio Channel and I just got around to watching it as I had it recorded. I thought it was going to be a regular series, but I've only known them to show one episode. They profiled 2 missing children's cases, one of which was solved. Certainly not a bad show, but being that they alternated back and forth between the two missing person's cases was kind of distracting. I was also under the impression that Smart would do the narrations, but that was done by another woman.

For the record, the 2 missing person's cases they profiled were.

Timmothy Pitzen - 6 year old boy who was removed from his kindergarten class by his mother. They did some fun things together before he disappeared. The mother committed suicide shortly thereafter. It is not known if she gave him away or he is deceased. Happened in 2011.
http://www.charleyproject.org/cases/p/pitzen_timmothy.html

Alisa Maier - from 2010, 4 year old girl from Louisiana, Missouri who was abducted from her front yard while playing with her 6 year old brother. Kidnapped by a career criminal, who had just been released from prison 11 days prior. She was found shortly thereafter wandering the streets and made to look like a boy, but was thankfully unharmed.

I think this series has potential, but haven't been able to find out much of anything about it online.

I checked this out yesterday. Pretty good actually. Elizabeth only opens and closes the show and they have another narrator, they switch back and forth between the cases. Sometimes they have solved ones but they have unsolved ones too. Usually involving children.