Meet The Team

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56th Sheriff


Doug Vantlin

Sheriff Doug Vantlin has been a lifelong resident of Knox County.  After graduating from South Knox High School he attended Vincennes University. He married his wife Cathy (Raney) in 1981. Together they have three daughters, Beth (Nick) Horrell, Cara (Ian) Gilmore, and Amy (Ryan) Waldroup, and 10 grandchildren.

He started his career with the Knox County Sheriff’s Office in 1991 as a jail officer. In September of 1992 he was promoted to a merited road deputy. He later accepted a position in the detective unit where he served thirteen years as a Detective and Crime Scene Investigator.  During that time he was promoted to Captain. In 2008 he was promoted to Major, overseeing the road
patrol. In 2018 he was elected Sheriff of Knox County.  During his tenure with the Sheriff’s Office he has served as an Administrator, Supervisor, DARE Officer, Crime Scene Technician, Training Officer, Detective, and obtained numerous law enforcement certifications.

Chief Deputy


Dan Mooney

Dan was born and raised in Knox County.  He is a graduate of Lincoln High School.  Dan started his career with the Knox County Sheriff's Office in 1999, and graduated from the Indiana Law Enforcement Academy.  Dan has previously held the ranks of Captain, Captain Detective and Chief Deputy.  During Dan's 20 plus years of service he has attended and obtained numerous training certifications.  Dan was appointed Chief Deputy by Sheriff Vantlin in 2019



Mike Fisher

Serving since 2004, Mike is a graduate of Lincoln High School. He graduated from the Indiana Law Enforcement Academy, as well as from the IMI Academy in Israel. Mike is the lead instructor for the department use of force, and physical tactics instructor, tactical weapons instructor, patrol supervisor, special operations commander, and supervisor of the detectives division. 



John Fuller

John started his career in law enforcement as a reserve deputy in 2003. Hired as jail officer in 2007 and then promoted to road deputy in 2008. John graduated from the Indiana Law Enforcement Academy. He has a Masters Degree in Criminal Justice & Human Services. He is currently the supervisor of the court deputies; School Resource Officers; Reserve Deputy Unit, and patrol supervisor.

To serve Knox County, we have 29 merited road deputies, 6 reserve deputies, 32 corrections officers, 4 administrative staff, and 1 kitchen manager