A Grant County Sheriff's Office detention deputy has been arrested in a preliminary domestic battery charge, the sheriff said Friday. The deputy, who had not been formally charged as of Friday morning, June 20, was arrested by the Marion Police Department, which is conducting a criminal investigation, while the sheriff's office has begun an internal investigation. MORE: https://www.wthr.com/article/news/crime/grant-county-indiana-sheriffs-office-detention-deputy-arrested-preliminary-domestic-battery-marion-police-department/531-3086be8a-8d6c-4d32-b17d-0b57073aa79b