gregg: right now a tragic story from connecticut. a man shoots and kills a would-be masked intruder only to learn it was his own son. harris faulkner live in our new york city fuse room. >> reporter: let me set the scene. a woman in new fairfield, connecticut, hears a noise and calls her next door neighbor for help. that neighbor grabs his gun and heads outside. in fact, he spots a guy wearing a black ski mask and dark clothing and opened fire, killing the would-be intruder. but as we now know, gregg, that person was a teenager, the man's own son. when police got there, they said tyler -- who's just 15 years old -- was lying in the driveway of the woman's how many with gunshot wounds, and the dad was despondent on the grass. as you might imagine, everybody from the police officers to the people who live on the streets are quite sad. >> lovely little boy, so it's just a tragedy. >> it's tragic, and it's going to upset this town for a while to come. >> reporter: it's going to