A known gang member who was arrested last month for allegedly stabbing to death a transgender girl in Mississippi appeared in court today for a preliminary hearing in the murder case. Joshua Vallum, 28, (left) was arrested on June 2, the day police recovered the body of 17-year-old transgender teen Mercedes Williamson (right) buried in his father's backyard. The murder case in a rural Mississippi town gained national attention last month, when Caitlyn Jenner mentioned Williamson as just one of the many transgender teens murdered in the U.S. this year. Prosecutors say Vallum admi... more »