A Sullivan County Tennessee Man Accused Of Murdering His Ex-Girlfriend And A Blountville Man Made An Appearance In Court. Donald Britt Allegedly Shot 36 Year Old Katie Arnold Through A Window Outside A Residence On January 18th. He Also Faces First Degree Murder Charges In The Death Of 56 Year Old Barry Countiss Whose Body Was Found The Next Day. At Friday’s Hearing Prosecutors Filed A Motion To Increase Bond. Britt Entered A Not Guilty Plea To The Charges. The Next Hearing Is Scheduled For August 7th