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Captain D Michael Ross
214 East 4th St
Marion, IN 46952
(765) 662-9836 Fax: (765) 668-6538
Office hours: 8:00 a.m. - 4:00 p.m. Monday-Friday
Aaron Oyler, Detective
765-662-9864 x213
Detective Aaron Oyler has been employed with the Sheriff's Office since 2002. He started with the Grant County Sheriff’s Office by working in the jail. Detective Oyler worked as a patrol officer for 10 years, and now serves as a Detective. Detective Oyler is a polygraph examiner as well as an emergency vehicle driving instructor, and hostage negotiator.

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