The Ingham County Prosecutor's Office is charging 18-year-old Connor McCowan of Okemos with murder for the weekend stabbing death of a 23-year-old Michigan State University student.  Andrew Singler was stabbed several times at his off-campus apartment in Meridian Township around 4 a.m. Saturday, and died at a Lansing hospital.  Police and prosecutors have not released details about what may have led to the stabbing.