July 28, 2017 5:40 pm Doctor Says Teen Killer is Mentally Ill A doctor says Christopher Plaskon, the teen who killed Maren Sanchez after a prom rejection, is mentally ill and couldn’t control himself. US & World Videos 1:42 Car sent flying into the air after speeding through rotary in Massachusetts 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:31 Synchronized swimmers: See an incredible triple whale breach 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit