Chris Plaskon, 16, is the accused killer in the Jonathan Law High School stabbing of 16-year-old Maren Sanchez. According to friends and classmates at the Milford, Connecticut, school, Plaskon asked Sanchez to prom and was turned down because she was already going with her boyfriend. On April 25, the morning of prom, Plaskon reportedly threw Sanchez down stairs and then stabbed her neck with a the kitchen knife he brought from home. Here are the pictures of the accused killer. (Facebook)