Close Central High mourns slain cheerleader William Riley Gaul, who professed his love on Twitter for Emma Walker, 16, hours before he was arrested, was arraigned Wednesday in a video appearance. Emma was a student and cheerleader at the school. WBIR 5:16 PM. EST November 23, 2016 TRENDING VIDEOS Thousands attend Women's March in Knoxville Wounded warrior loses leg in surgery, gains ability back in other limb Quick Highlights: Vols 91, Mississippi State 74 Border Bowl: Kentucky 34, Tennessee 16 Displaced fire victims take 1st family photos Moderate storm risk for Sunday Phillip Fulmer on UT AD search, Border Bowl Zack Dobson's Border Bowl Coltton Wright's big reception More Stories More rain moves in early Sunday morning Dec 10, 2015, 10:15 a.m. Thousands participate in Women's March in Knoxville Jan 21, 2017, 8:12 p.m. Wildfire victims rebuild collection of treasured photos Jan 21, 2017, 8:47 p.m.