Man Found Dead After Shooting at Fremont Casey’s, Investigation Ongoing

Mahaska County Sheriff Office Press Release

On Sunday, February 1st, 2026, at approximately 5:20 pm, members of the Mahaska County Sheriff’s Office were dispatched to the Casey’s General Store, located at 203 East Main Street in Fremont, Iowa, in reference to a shooting.

Upon Law Enforcement’s arrival, 45-year-old David Michael Dyke of rural Rose Hill, Iowa was found deceased in the parking lot. Sheriff’s Officials contacted the Iowa Division of Criminal Investigations Major Crimes Unit who are assisting with this investigation.

It is believed that this matter is an isolated incident and there is no danger to the public. This investigation is in its initial stages and is continuing. Anyone with information regarding this matter is encouraged to call the Mahaska County Sheriff’s Office through dispatch at 641-673-0347