McDuffie, RalphRalph McDuffie began his law enforcement career in 1994 and is currently assigned to the Emergency Management Bureau of the Lake County (FL) Sheriff's Office. He serves as the agency's Emergency Management Coordinator and County Emergency Operations Center Operations Section Chief. He is also the SWAT Team commander and has been on SWAT since 1995. His law enforcement experience dates to 1987 while in the USAF as a Military Working Dog Handler. He instructs for the Lake Technical Institute, and Florida SWAT Association, and the NTOA.