Where is Julius Mullins now? NBC 'Dateline' to feature Texas teen who killed high school teacher Manuela Allen

Where is Julius Mullins now? NBC 'Dateline' to feature Texas teen who killed high school teacher Manuela Allen

Where is Julius Mullins now? NBC 'Dateline' to feature Texas teen who killed high school teacher Manuela Allen OLNEY, TEXAS: The small town of Olney was shocked when a high school teacher was murdered, and her killer turned out to be a troubled teenager. Julius Mullins was found guilty of killing Manuela Allen and is currently serving his sentence in prison. While the investigation concluded relatively quickly, many questions remain unanswer…