Montana man charged with assault after striking deputy during arrest MTN News Mark C. Owensby II, 37, was seen in Gallatin County Justice Court on Thursday, April 1, 2021, and faces a $50,000 bail. By: Gaby Krevat and last updated 2021-04-01 17:07:16-04 BOZEMAN â A Three Forks man who reportedly got into an altercation with a Gallatin County sheriffâs deputy while he was being arrested in Three Forks on Wednesday has been charged with assault on a peace officer. Mark C. Owensby II, 37, was seen in Gallatin County Justice Court on Thursday and faces a $50,000 bail. MTN News Mark C. Owensby II, 37, was seen in Gallatin County Justice Court on Thursday, April 1, 2021, and faces a $50,000 bail.