Two-year-old DeOrr Kunz vanished on a family camping trip in July 2015 in Idaho.

Five months later, DeOrr’s family began to turn on each other.

After months of searching for answers, two different private investigators working with the family quit the case.

More than two years later, there haven't been any arrests.

Our Little Man Lost series explores the three theories that could explain what happened to baby DeOrr.

Episode One is playing above. To watch the full series, click here.

This series was produced by Atticus Investigates: Jeremy Campbell, Matt Livingston, Erin Gutierrez, Lauren Rudeseal and Blis Savidge.

If you have tips or theories about baby DeOrr, email