20161027 - Ghost Hunter (SN) - nwherald

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Sarah Nader- snader@shawmedia.com
Tony Oslzewski of Poplar Grove demonstrates how a laser temperature gauge works at his home Thursday, October 27, 2016. 10 years ago Oslzewski started the McHenry County Paranormal Research Group and has investigated 12-14 paranormal activity cases a year.