Killer Performance

I have seen this same type of show before from the UK and its just as ridiculous as this one. These so called "EXPERTS" that know the outcome of everything already, sudenly can spot the lies being told like they are some kind of experts and see things no one else does, YET< none of them ever prevent a crime or solve a crime. Its always their expert input of when and where a lie is happening and when someone is PERFORMING, only on cases that they already know the answers to. Nothing professional or expert about knowing the answers on a test. Such ridiculous people to even present themselves as some kind of experts.