A trailblazing leader at the Tennessee Bureau of Investigation has died.
Mark Gwyn, who served as director there for 14 years, was found unresponsive at his home Thursday morning. TBI investigators believe it was natural causes.
For years, he took our questions, provided context, and often comforted the public during his many news conferences. He presided over high-profile cases like the murder of Holly Bobo and the Waffle House mass shooting . Now, his friends and family are in need of that comfort…