A teenager who raped and killed his maths teacher while at school faces life in prison after being convicted. A Massachusetts jury on Tuesday found him guilty of raping and murdering his 24 year old teacher, Colleen Ritzer, at his suburban high school in 2013, after about nine hours of deliberations.click here to read more story  http://www.addyamebo.com/2015/12/teenager-who-raped-and-killed-his-maths.html