CADDO COUNTY, Okla. (KFOR) – Caddo County authorities suspect an arsonist has been lighting grass fires across a section of the county, and now an award is being offered for information that will lead to the apprehension of the suspect. “I think it started Tuesday,” Caddo Sheriff Spencer Davis told News 4. “In the last three days, there’s been several fires, all of them have been in the southwest part of the county so far.”