A former teacher accused of murder appeared in court this morning. Andrew James man pleaded not guilty to the stabbing deaths of Clinton David Brink and his wife Kristen. According to police, man attacked that couple in Devil's Den State Park in Arkansas late last month.And that's while they were hiking with their two young daughters. The girls, well, they managed to run away and get help. Man was arrested at a hair salon just a few days later and now faces two counts of capital murder.NBC News corresponden ...