keith morrison: melissa oxley was just 27 years old and already a widow. -old husband ben, shot dead while he slept in bed right next to her. as far as she could tell, said melissa, >> melissa oxley was just 27 years old and already a widow. her 36-year-old husband, ben, shot dead while he slept in bed right next to her. as far as she could tell, said melissa, the shooter managed to break into the house, walk right into the master bedroom, shoot and without harming her, and leave not a trace of evidence behind. the case boggled detective ron's mind. >> is this murder for hire? what could this be? >> melissa's closest friends believed her when she insisted she had nothing to do with it and that she had in fact lost the love of her life. and that now she and those around her were probably in terrible danger. >> because you don't know who did it. you don't know if they're going to come back for melissa, if melissa was supposed to be in that. >> melissa try to be a source of comfort for her six-year-old stepdaughter, alyssa. the little girl's father had been he