in 2018, gary dunn found himself in handcuffs again, after two incidents that occurred on the same night both unrelated to nona dirksmeyer. dunn pleaded no contest to attempted kidnapping and indecent exposure. he was sentenced to 15 years, barring new evidence, the state does not plan to file charges against him for a third time in the nona dirksmeyer killing. >> that is all for this edition of dateline. i'm craig melvin, thank you for watching. i'm craig melvin. and i'm natalie morales. and this is dateline. >> it happens on tv, doesn't happen to your. family to your brother. but it does. >> no one thought it could happen to him. it was a tough guy, prepared for anything. >> y'all would say, anyone tries to break in here, all caleb. >> instead, he was killed. stabbed in his own home. >> you sure your dad's cool to the touch? >> his son and daughter in law stumbled into a terrifying scene. >> that's when i saw the gun. >> they said, we're going to have to kill you. >> now, a strange story that only got stranger. >> they had purple gloves on. >> and they had blue, fuzzy gloves. >> someth