“So the case was featured... I'm looking at the Unsolved…” — Perhaps It's You at 28:57

Perhaps It's You S6 Ep8: 2000 Enemies

“So the case was featured... I'm looking at the Unsolved Mysteries wiki now to see if... Oh, interesting. So I don't know if this was mentioned in the episode. Two months before the kidnapping, John's daughter Karen survived being shot during the Henry's Pub hostage incident in Brooklyn, California.”