"She's also searching for her missing 26-year-old son, amateur mixed martial arts fighter David Zachary Koenig, known to most as Dave.
Koenig has been searching for almost 19 months. For many in Springfield, the case is likely known due to national TV coverage or a handful of huge billboards along Highway 65 and within Springfield city limits that Koenig said went up about four months ago.
But answers as to what really happened are slow to come, if they're coming at all."

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