About Our Deputies
THE SHERIFF
Tyler Appel
Roberts County Sheriff
Sheriff Appel grew up in Browns Valley, Minnesota and graduated from Sisseton High School in 2004. Sheriff Appel graduated from North Dakota State University with a degree in Exercise Science. After completing his college degree, Sheriff Appel moved to Fridley, MN where he married his incredible wife Brittany and had their first child. In 2015, Sheriff Appel returned to Sisseton after being hired by the Sisseton City Police Department where he served from May of 2015 until he was elected Sheriff of Roberts County in 2020. Prior to his role as Sheriff, Appel held the roles of Patrol Officer, Field Training Officer, and School Resource Officer for the Sisseton School District while with the Sisseton Police Department. Sheriff Appel can be found in various roles in our community including coaching high school and youth football, as well as youth wrestling. Sheriff Appel currently resides in Sisseton, SD with his wife Brittany and two sons.
OUR DEPUTIES
Trevor Mishler
Sergeant
Roles: Patrol Deputy, Evidence Officer, Grant Coordinator
Deputy Mishler grew up in Montrose, Minnesota and graduated from Alexandria Technical & Community College in 2018 with a degree in Law Enforcement. Deputy Mishler began his career in the area with the Sisseton Police Department in 2018 where he worked for over three and a half years where he held the roles of Patrol Officer, Field Training Officer and Corporal. When not working Deputy Mishler enjoys spending his time on the water fishing and is an avid bass fisherman. Deputy Mishler coaches youth football in Sisseton and also enjoys spending time with his family and friends. Deputy Mishler is a proud member of the Sisseton and Roberts County community.
Zachary Angerhofer
Deputy Sheriff
Roles: Patrol Deputy and Patrol Service Dog (PSD) Handler
Deputy Angerhofer grew up in Milbank, South Dakota and graduated from Lake Area Tech in 2019 with AAS degree in applied science in Law Enforcement. Deputy Angerhofer has been employed with the Roberts County Sheriff's Office since 2018, and began his career working as a Correctional Officer. Deputy Angerhofer enlisted in the South Dakota Army National Guard in October of 2015 and is currently still serving. When not working Deputy Angerhofer enjoys spending time with his family, and friends. Deputy Angerhofer is also passionate about hunting and fishing when he can find time between work and family life.
Dylan Veen
Deputy Sheriff
Roles: Patrol Deputy, Certified
Deputy Veen is from the Big Stone Lake area and started his career with Roberts County as a Correctional Officer. Deputy Veen attended Lake Area Technical College where he obtained a degree in Law Enforcement. Deputy Veen moved from being a Correctional Officer to a Deputy Sheriff in 2019. Deputy Veen is an enlisted member of the South Dakota National Guard and has been deployed to foreign countries. During Deputy Veen’s spare time he enjoys hunting, fishing, working out, and spending time with his friends and family.
PSD Beau
Police Service Dog (PSD)
Roles: Narcotics detecti0n, receiving pets, being a good boy
PSD Beau works alongside his handler, Deputy Zachary Angerhofer. PSD Beau was obtained thanks to donations made by citizens in 2022 towards a raffle which was to purchase him. Without the supporters of our department, the purchase of PSD Beau would have never been possible.
Jeffrey Schmidt
Deputy Sheriff
Roles: Patrol Deputy & School Resource Deputy
Deputy Schmidt is from the Twin Cities area and has been with the department since February of 2022. Deputy Schmidt graduated Alexandria Technical & Community College in 2020 with a degree in Law Enforcement. Deputy Schmidt coaches football in Rosholt and in his spare time he enjoys hockey, weight lifting, golf, and spending time with his family and friends. Deputy Schmidt is a certified TASER instructor and DARE instructor.
Dylan Pfeilsticker
Deputy Sheriff
Roles: Patrol Deputy
Deputy Dylan Pfeilsticker is from Lake City, Minnesota and started his career with Roberts County in June of 2021. Deputy Pfeilsticker attended Alexandria Technical & Community College where he received an AAS degree in Law Enforcement. During Deputy Pfeilsticker’s free time he enjoys spending time with family and friends as well as golfing.
Dylan Hillestad
Part-Time Deputy Sheriff
Roles: Patrol Deputy
Deputy Hillestad joined the Robert's County Sheriff's Office in December, 2023. Deputy Hillestad is from Sioux Falls, SD and holds a Bachelor's of Science degree from Bellevue University, NE. Deputy Hillestad began his law enforcement career in 2014 and has held Instructor roles in Defensive Tactics, DWI, and Response to Active Shooter/Threat(s). Outside of work, Deputy Hillestad can be found enjoying shooting sports at the range or travelling to explore new places.