WJLA ABC World News Now July 4, 2012
>> reporter: the desperation of this frantic 911 call made by 17-year-old jonathan hoffman brought tears to the eyes of his grandmother as she sat in court. not only because the gunfire killed her grandson, but because she is the one on trial for pulling the trigger. not once, but five times. awe hue did you get shot? >> my grandma, my grandma shot you. >> your grandma and grandpa shot you? >> my grandma. >> reporter: the troubled teen moved in with his grandparents, during that time the grandmother started to fear her grandson because she suspect heed was using synthetic marijuana, ...