Police claim they found your DNA at a crime scene. Are they telling the truth? Most of the time, people don't have their DNA on file already. If you're a convicted felon in Tennessee, you may have your DNA on file already. But if a police officer says, "We already found your DNA at the scene." That would have to mean he has your DNA to compare it with, which is most likely not true. And the Supreme Court has ruled that the police are allowed to lie to you in their interrogation. But you're a Dr. judge follower and you won't fall for