Daniel R. Stromberg
Daniel R. Strombeck, 60, of Moline, died at the Rock Island County Jail on September 3, 2026; one outlet spells his name Stromberg. The sheriff's office said he was found unresponsive in a housing unit that morning, and the Dispatch Argus reported that jail staff called emergency medical services and he was pronounced dead there. Coroner Brian Gustafson said a preliminary autopsy found no apparent cause of death or signs of trauma, and the cause is listed as undetermined while further tests may be done. The Rock Island County Integrity Task Force is investigating, and the sheriff's office has asked for an independent review.
Cause of death, as reported: Cause not yet determined (disputed). The Rock Island County Coroner's Office has not determined a cause or manner, and the Rock Island County Sheriff's Office has asked the Rock Island Integrity Task Force to conduct an independent investigation.