The university gunman who killed three students had threatening note in his pocket, it has emerged.
Investigators are yet to determine the motive behind the deadly mass shooting that cost the lives of three students and injured five more on Monday evening, but details about the gunman's profile have started to surface.
Anthony Dwayne McRae, 43, opened fire at the Michigan State University campus in East Lansing as frightened students hid in classrooms and cars.
