The sign in front of Moraine Hills State Park near McHenry | Photo: Moraine Hills State Park Facebook page

A McHenry man found unresponsive on a walking trail at Moraine Hills State Park late last week died of natural causes, authorities said.

Craig M. Ragusin, 66, was found on a walking trail at Moraine Hills just south of McHenry, McHenry County Coroner Dr. Michael Rein said in a news release Tuesday.

Illinois Department of Natural Resources Director of Communications Jayette Bolinski said authorities were alerted after the man was found unresponsive on the trail in the park at about 3:30 p.m. on March 13.

Ragusin was pronounced dead at the scene, Rein said.

Rein said the McHenry County Sheriff’s Office contacted the McHenry County Coroner’s Office to investigate the death.

The investigation determined that Ragusin had passed away due to natural causes.

Ragusin has since been released to a local funeral home, Rein said.

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Rein said the McHenry County Coroner’s Office would like to thank the Illinois Conservation Police and the McHenry Township Fire Protection District for their collaboration during this investigation.