20150530 - Cops Tours (MA) - nwherald


Matthew Apgar - mapgar@shawmedia.com
Sgt. Robb Tadelman holds an ultraviolet flashlight as Devin Smith and son Logan Smith, 6, both of Woodstock, look at a a seemingly blank book filled with evidence such as blood and fingerprints which are only detectable with help from other light sources and filters. The McHenry County Sheriffs Office held an open house on Saturday, May 30, 2015 in Woodstock.