Sheriff’s Office Investigating Assault Report (Bozeman, Mont.) The Gallatin County Sheriffs Office is currently investigating allegations of an assault involving Greg Gianforte. We will provide a press release with more information when appropriate. The investigation is ongoing. You Might Also Like Fort Ellis Fire Department Annual Burger Feed August 13, 2014 Three County Pursuit Ends in Arrest November 28, 2017 New Years Snowmobile Rescues January 1, 2018