 Um, in order to catch them sometimes. And that's easier now with DNA, but back in the day, that wasn't the case. So these people would go and interview the serial killers over and over again, which is a ridiculously, uh, stressful job because you're in the, you know, close quarters with these monsters and you have to basically get in their head and think like them, which could drive you insane. So there's plenty of movies, uh,