DeOrr Kunz Jr.

One of the most heartbreaking missing persons cases to ever plague the state of Idaho has just turned a decade old.

If you have any knowledge that can help Idaho law enforcement solve this case, please don't hesitate to contact your local police department.

For those from Idaho that have been paying close attention to the case from the beginning, what's your theory behind the disappearance?

LEADORE, Idaho (KLIX) Photos of what a missing Idaho toddler might look like as an older child have been released to the public.

IDAHO FALLS, Idaho (AP) — Relatives of a 2-year-old reported missing from an Idaho campground in 2015 are suing the private investigator they hired to help find the boy.